170030<span class='red'>管道</span>垫圈 <span class='red'>管道</span>胶带 170039离合器<span class='red'>垫</span> 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

阀门用石棉<span class='red'>垫</span>

<span class='red'>管道</span>铺设 <span class='red'>管道</span>维护 <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 370063<span class='red'>管道</span>铺设和维护

榻榻米<span class='red'>垫</span>的修理

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> 190241非金属<span class='red'>垫</span>路板 非金属制防腐织物、<span class='red'>垫</span>席和薄膜（土隔膜）

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）

060317金属<span class='red'>垫</span>路板

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