400003空气<span class='red'>净化</span> 空气<span class='red'>净化</span>设备出租

400109<span class='red'>净化</span>有害材料 辐射区<span class='red'>净化</span>服务 （利用微生物进行<span class='red'>净化</span>的）生物修复服务

水处理和<span class='red'>净化</span>

400042<span class='red'>金属</span>处理 400043<span class='red'>金属</span>回火 <span class='red'>金属</span>热处理 <span class='red'>金属</span>硬化 <span class='red'>金属</span>精炼 <span class='red'>金属</span>层压 400018<span class='red'>金属</span>电镀 400100<span class='red'>金属</span>铸造 <span class='red'>金属</span>加工 <span class='red'>金属</span>熔炼服务 <span class='red'>金属</span>镀釉

110138气体<span class='red'>净化</span>装置 气体<span class='red'>净化</span>设备 空气<span class='red'>净化</span>装置 家用空气<span class='red'>净化</span>机器人 110207空气<span class='red'>净化</span>装置和机器

自来水<span class='red'>净化</span>设备 污水<span class='red'>净化</span>装置 110135污水<span class='red'>净化</span>设备 雨水<span class='red'>净化</span>装置 工业用水<span class='red'>净化</span>装置

110166空气<span class='red'>净化</span>用杀菌灯 紫外线卤素<span class='red'>金属</span>蒸气灯

炉用<span class='red'>金属</span>框架

熔化<span class='red'>金属</span>用熔炉

050005空气<span class='red'>净化</span>制剂

牙科用成形<span class='red'>金属</span> 牙科用<span class='red'>金属</span>底涂剂

燃料<span class='red'>净化</span>添加剂 010021汽油<span class='red'>净化</span>添加剂 010354油<span class='red'>净化</span>化学品 污染区<span class='red'>净化</span>用化学品 010249<span class='red'>金属</span>硬化剂 010633<span class='red'>金属</span>腐蚀剂 010207<span class='red'>金属</span>着色用盐 <span class='red'>金属</span>电镀用化学成分 010472工业用肥皂（含<span class='red'>金属</span>） 010045促进<span class='red'>金属</span>合金形成用化学制剂 中和不锈钢、铁及各种颜色<span class='red'>金属</span>合金用化学品 用于制造<span class='red'>金属</span>铸件的氧化铁基铸造用砂添加剂

稀土<span class='red'>金属</span> 010039碱土<span class='red'>金属</span> 010390准<span class='red'>金属</span> 混合稀土<span class='red'>金属</span>

<span class='red'>金属</span>氧化物 <span class='red'>金属</span>氯化物 <span class='red'>金属</span>酸盐 有机<span class='red'>金属</span>化合物 010162稀土<span class='red'>金属</span>盐 <span class='red'>金属</span>酸洗用酸 工业用<span class='red'>金属</span>氧化物粉末

010393<span class='red'>金属</span>退火剂 010682<span class='red'>金属</span>回火剂 <span class='red'>金属</span>加工用淬火液 用于<span class='red'>金属</span>加工的回火用化学品 <span class='red'>金属</span>回火剂（回火化学制剂）

<span class='red'>金属</span>焊接用助剂

090898具有空气<span class='red'>净化</span>功能的防尘口罩

<span class='red'>金属</span>探测器 <span class='red'>金属</span>硬度测试仪 <span class='red'>金属</span>强度测试仪 <span class='red'>金属</span>压缩测试仪 090178工业或军用<span class='red'>金属</span>探测器

电缆用<span class='red'>金属</span>螺纹接头

<span class='red'>金属</span>和合成材料制眼镜框 金属制或<span class='red'>金属</span>塑料复合材料制眼镜框

用于<span class='red'>金属</span>加工机械的数字控制装置