010326<span class='red'>焊接</span>用保护<span class='red'>气体</span> <span class='red'>焊接</span>用固态保护<span class='red'>气体</span> 010328工业用固态<span class='red'>气体</span> 亚硫酸<span class='red'>气体</span>（二氧化硫）

010275<span class='red'>气体</span>净化剂 010026喷雾器用<span class='red'>气体</span>推进剂 气雾剂用<span class='red'>气体</span>推进剂 尿素还原剂（汽车用尾气<span class='red'>气体</span>净化剂）

010487<span class='red'>焊接</span>用化学品 金属<span class='red'>焊接</span>用助剂 <span class='red'>焊接</span>和铜焊用化学品

用于<span class='red'>焊接</span>的回火用化学品

<span class='red'>焊接</span> 400125<span class='red'>焊接</span>服务

<span class='red'>气体</span>加工服务 <span class='red'>气体</span>生产服务

<span class='red'>焊接</span>喷灯 070504气动<span class='red'>焊接</span>吹管 070525<span class='red'>焊接</span>机用电极 070528电<span class='red'>焊接</span>设备 070530电弧<span class='red'>焊接</span>设备 激光<span class='red'>焊接</span>设备 070503气动<span class='red'>焊接</span>设备 070505气动<span class='red'>焊接</span>烙铁

C070334<span class='red'>气体</span>分离设备 C070337<span class='red'>气体</span>液化设备 C070336稀有<span class='red'>气体</span>提取设备

恢复和回收制冷剂<span class='red'>气体</span>用压缩机 070199压缩、排放和输送<span class='red'>气体</span>用鼓风机

040040照明用<span class='red'>气体</span> 040049<span class='red'>气体</span>燃料 固态<span class='red'>气体</span>燃料 040088固态<span class='red'>气体</span>（燃料）

090278<span class='red'>气体</span>检测仪 <span class='red'>气体</span>流量计 090020<span class='red'>气体</span>比重计 <span class='red'>气体</span>分析仪器 <span class='red'>气体</span>压力指示器 <span class='red'>气体</span>流量监测器 可燃<span class='red'>气体</span>浓度检测仪 实验室用<span class='red'>气体</span>混合器 090872测定用<span class='red'>气体</span>发生设备 <span class='red'>气体</span>和固体物质温度和湿度测量装置

090114<span class='red'>焊接</span>用头盔 <span class='red'>焊接</span>用面罩 <span class='red'>焊接</span>用护目镜

电弧<span class='red'>焊接</span>设备用电控制器

探测易燃<span class='red'>气体</span>用报警器