<span class='red'>管道</span><span class='red'>维护</span> 370063<span class='red'>管道</span>铺设和<span class='red'>维护</span> <span class='red'>管道</span>铺设 <span class='red'>管道</span>铺设服务 <span class='red'>管道</span>保养咨询服务 <span class='red'>管道</span>铺设咨询服务 <span class='red'>管道</span>安装咨询服务 <span class='red'>管道</span>修理咨询服务 化工厂修理或<span class='red'>维护</span> 建筑物<span class='red'>维护</span>和修理 建筑物<span class='red'>维护</span>咨询服务 为免拆除而对建筑进行的修理和<span class='red'>维护</span> 建筑手脚架、工作台和建筑平台的修理和<span class='red'>维护</span>

370129游泳池<span class='red'>维护</span> 乐器修理或<span class='red'>维护</span> 火器修理或<span class='red'>维护</span> 水族池的<span class='red'>维护</span> 储油罐修理或<span class='red'>维护</span> 火警报警器修理或<span class='red'>维护</span> 电话装置的修理或<span class='red'>维护</span> 电梯（升降机）修理或<span class='red'>维护</span> 智能电话的修理和<span class='red'>维护</span>

飞机<span class='red'>维护</span> 无人机的修理和<span class='red'>维护</span> 航空器的修理和<span class='red'>维护</span> 有关飞机修理和<span class='red'>维护</span>的信息

锅炉修理或<span class='red'>维护</span>

计算机硬件<span class='red'>维护</span> 发电机修理或<span class='red'>维护</span> 消费性电器<span class='red'>维护</span> 挤奶机修理或<span class='red'>维护</span> 传送带修理或<span class='red'>维护</span> 计算机修理或<span class='red'>维护</span> 孵卵器修理或<span class='red'>维护</span> 电动机修理或<span class='red'>维护</span> 缝纫机修理或<span class='red'>维护</span> 工业炉的修理或<span class='red'>维护</span> 自动售货机修理或<span class='red'>维护</span> 3D打印机的<span class='red'>维护</span> 饲料切碎机修理或<span class='red'>维护</span> 饲料粉碎机修理或<span class='red'>维护</span> 饲料混合机修理或<span class='red'>维护</span> 轧饲料机修理或<span class='red'>维护</span> 烟草加工机修理或<span class='red'>维护</span> 燃气热水器修理或<span class='red'>维护</span> 水净化设备的修理或<span class='red'>维护</span> 工业洗衣机的修理或<span class='red'>维护</span> 助听器的修理和<span class='red'>维护</span> 燃气热水器的修理或<span class='red'>维护</span> 孵鸡器修理或<span class='red'>维护</span> 工业用烹饪设备修理或<span class='red'>维护</span> 烹饪用具的修理或<span class='red'>维护</span> 工业洗碗机的修理或<span class='red'>维护</span> 高射投影仪的修理或<span class='red'>维护</span> 医疗设备和仪器<span class='red'>维护</span> 电子照明设备的修理或<span class='red'>维护</span> 电动地板清洁机的修理或<span class='red'>维护</span> 给水泵或增压泵的修理和<span class='red'>维护</span> 3D打印机的修理和<span class='red'>维护</span> 机械停车装置的修理或<span class='red'>维护</span> 水污染控制设备的修理或<span class='red'>维护</span> 非电烹饪加热器的<span class='red'>维护</span> 光伏装置的安装和<span class='red'>维护</span> 建筑机器和设备的修理或<span class='red'>维护</span> 冷冻机器和设备的修理或<span class='red'>维护</span> 伐木机器和设备的修理或<span class='red'>维护</span> 光学机器和仪器的修理或<span class='red'>维护</span> 包装机器和设备的修理或<span class='red'>维护</span> 涂漆机器和设备的修理或<span class='red'>维护</span> 纺织机器和设备的修理或<span class='red'>维护</span> 视频机器和设备的修理或<span class='red'>维护</span> 风力发电设备的修理和<span class='red'>维护</span> 医疗机器和设备的修理或<span class='red'>维护</span> 370116计算机硬件安装、<span class='red'>维护</span>和修理 通信用机器和设备的修理或<span class='red'>维护</span> 办公机器和设备的修理或<span class='red'>维护</span> 实验室设备和仪器的修理或<span class='red'>维护</span> 测量设备和仪器的修理或<span class='red'>维护</span> 造纸机器和设备的修理或<span class='red'>维护</span> 试验设备和仪器的修理或<span class='red'>维护</span> 农业机器和工具的修理或<span class='red'>维护</span> 工业用空气调节设备的修理或<span class='red'>维护</span> 电影机器和设备的修理或<span class='red'>维护</span> 耕作机器和器具的修理或<span class='red'>维护</span> 潜水机器和设备的修理或<span class='red'>维护</span> 捕鱼机器和装置的修理或<span class='red'>维护</span> 收割机械和器具的修理或<span class='red'>维护</span> 装卸机器和设备的修理或<span class='red'>维护</span> 养蚕机器和器具的修理或<span class='red'>维护</span> 太阳热能装置的安装和<span class='red'>维护</span> 工业用水净化设备的修理或<span class='red'>维护</span> 贴面板机器和设备的修理或<span class='red'>维护</span> 金属加工机器和工具的修理或<span class='red'>维护</span> 理发店用机器和设备的修理或<span class='red'>维护</span> 美容院用机器和设备的修理或<span class='red'>维护</span> 娱乐用机器和设备的修理或<span class='red'>维护</span> 制鞋用机器和设备的修理或<span class='red'>维护</span> 运载工具用清洗装置的修理或<span class='red'>维护</span> 化学加工机器和设备的修理或<span class='red'>维护</span> 塑料加工机器和设备的修理或<span class='red'>维护</span> 制纸浆机器和设备的修理或<span class='red'>维护</span> 木材加工机器和设备的修理或<span class='red'>维护</span> 纸加工机器和设备的修理或<span class='red'>维护</span> 采矿用机器和设备的修理或<span class='red'>维护</span> 半导体制造机器和系统的修理或<span class='red'>维护</span> 废物压实机器和设备的修理或<span class='red'>维护</span> 废物粉碎机器和设备的修理或<span class='red'>维护</span> 胶合板制造机器和设备的修理或<span class='red'>维护</span> 配电或控电机器和设备的修理或<span class='red'>维护</span> 玻璃器皿制造机器和设备的修理或<span class='red'>维护</span> 集成电路制造机器和装置的修理或<span class='red'>维护</span> 植物纤维加工机械和器具的修理或<span class='red'>维护</span> 计算机及其周边设备的安装、修理和<span class='red'>维护</span> 生产橡胶制品用机器和设备的修理或<span class='red'>维护</span>

船舶修理或<span class='red'>维护</span> 游艇和小船的改装、翻新、整修和<span class='red'>维护</span>服务

建筑物<span class='red'>维护</span>和修理

两轮机动车修理或<span class='red'>维护</span> 铁路车辆的修理或<span class='red'>维护</span> 加油站设备的修理或<span class='red'>维护</span>

电影放映机的修理或<span class='red'>维护</span> 370046电影放映机的修理和<span class='red'>维护</span> 摄影机器和设备的修理或<span class='red'>维护</span>

170030<span class='red'>管道</span>垫圈 <span class='red'>管道</span>胶带 170030<span class='red'>管道</span>接头垫圈 <span class='red'>管道</span>接头胶带 170118密封<span class='red'>管道</span>用胶带 <span class='red'>管道</span>接头密封用橡胶圈 170089<span class='red'>管道</span>用非金属加固材料 170086压缩空气<span class='red'>管道</span>用非金属附件

170073<span class='red'>管道</span>用非金属接头 <span class='red'>管道</span>用非金属弯头 <span class='red'>管道</span>用非金属附件 <span class='red'>管道</span>用橡胶接头

390041<span class='red'>管道</span>运输

190101砂石<span class='red'>管道</span> 非金属通风<span class='red'>管道</span> 非金属下水<span class='red'>管道</span> 灌溉用塑料<span class='red'>管道</span> 陶土制管和<span class='red'>管道</span>

060258金属<span class='red'>管道</span> 金属制<span class='red'>管道</span>支架 060099<span class='red'>管道</span>用金属弯头 060229<span class='red'>管道</span>用金属接头 <span class='red'>管道</span>用金属连接器 <span class='red'>管道</span>用金属夹 060312紧固<span class='red'>管道</span>用金属环 060420<span class='red'>管道</span>用金属歧管 旋转式<span class='red'>管道</span>用金属接头 060275<span class='red'>管道</span>用金属加固材料 C060046<span class='red'>管道</span>用金属墙钩 <span class='red'>管道</span>用金属分岔管 060313缆绳和<span class='red'>管道</span>用金属夹 060076中央供暖装置用金属<span class='red'>管道</span> 060076中央供热装置用金属<span class='red'>管道</span> 060267压缩空气<span class='red'>管道</span>用金属配件 建造地下室防水系统用金属排水<span class='red'>管道</span> 金属<span class='red'>管道</span>（包括钢钛合金制） <span class='red'>管道</span>金属弯头（包括钢钛合金制） 金属连接<span class='red'>管道</span>（包括钢钛合金制）

060313缆绳和<span class='red'>管道</span>用金属夹