<span class='red'>低</span>铜<span class='red'>碳</span>钢屑 <span class='red'>碳</span>钢

060110铜<span class='red'>环</span> 060180金属门<span class='red'>环</span>

060249张力<span class='red'>环</span> 金属岩钉钢<span class='red'>环</span> 060284铁带拉伸器（张力<span class='red'>环</span>） 060230金属线拉伸器（张力<span class='red'>环</span>） 060383金属带拉伸器（张力<span class='red'>环</span>）

060038金属<span class='red'>环</span> 060143吊<span class='red'>环</span>螺钉 060038金属止动<span class='red'>环</span> 060038金属止动<span class='red'>环</span> 金属吊<span class='red'>环</span>螺钉

金属钥匙<span class='red'>环</span>

<span class='red'>保</span>险柜 060066现金<span class='red'>保</span>险箱 060472电子<span class='red'>保</span>险柜 金属<span class='red'>保</span>险柜 金属<span class='red'>保</span>险箱 枪械<span class='red'>保</span>险柜 非金属<span class='red'>保</span>险柜 <span class='red'>保</span>险箱用金属门 金属防火<span class='red'>保</span>险柜 060034<span class='red'>保</span>险箱（金属或非金属） 060034<span class='red'>保</span>险柜（金属或非金属） 书籍形状的金属<span class='red'>保</span>险箱

060312紧固管道用金属<span class='red'>环</span>

C060022马蹄形钩<span class='red'>环</span>（脚扣、铁鞋）

060051金属制身份鉴别手<span class='red'>环</span>

060028树木金属<span class='red'>保</span>护器

<span class='red'>保</span>护植物用金属钟形网罩

060268普通金属合金丝（除<span class='red'>保</span>险丝外）

<span class='red'>环</span>境<span class='red'>保</span>护研究 <span class='red'>环</span>境<span class='red'>保</span>护领域的研究 420208<span class='red'>环</span>境<span class='red'>保</span>护领域的科学研究 <span class='red'>低</span>温工程研究 <span class='red'>环</span>境工程服务 减少<span class='red'>碳</span>排放的研究 <span class='red'>环</span>境测试和检查服务 <span class='red'>环</span>境技术领域的工程服务 <span class='red'>环</span>境科学方面的技术咨询 <span class='red'>环</span>境工程领域的技术咨询 <span class='red'>环</span>境技术领域的技术咨询 420212提供关于<span class='red'>碳</span>抵消的科学信息、建议和咨询 用于检测水中污染物的<span class='red'>环</span>境测试服务

<span class='red'>环</span><span class='red'>保</span>建筑设计 无尘室<span class='red'>环</span>境的布局设计服务

地质<span class='red'>环</span>境工程

420296虚拟<span class='red'>环</span>境托管 为<span class='red'>保</span>护数据进行计算机安全威胁分析

<span class='red'>环</span>状RNA疫苗研究

010148<span class='red'>碳</span> <span class='red'>碳</span>酸气 一氧化<span class='red'>碳</span> 光气（<span class='red'>碳</span>酰氯） C010003液体二氧化<span class='red'>碳</span> 蓄电池用<span class='red'>碳</span>粉 010333干冰（二氧化<span class='red'>碳</span>） 010732工业用二氧化<span class='red'>碳</span> 010326焊接用<span class='red'>保</span>护气体 焊接用固态<span class='red'>保</span>护气体

010150<span class='red'>碳</span>酸 C010022<span class='red'>碳</span>化钨 C010033<span class='red'>碳</span>酸铜 C010034<span class='red'>碳</span>酸锌 C010035<span class='red'>碳</span>酸锂 <span class='red'>碳</span>酸铅 <span class='red'>碳</span>酸铵 <span class='red'>碳</span>酸钠 <span class='red'>碳</span>化硅 010146<span class='red'>碳</span>酸盐 010147<span class='red'>碳</span>酸镁 010151<span class='red'>碳</span>化物 010152<span class='red'>碳</span>化钙 010172<span class='red'>碳</span>酸钙 010446<span class='red'>碳</span>酸钾 C010021<span class='red'>碳</span>化铌 C010042<span class='red'>碳</span>酸锶 <span class='red'>碳</span>酸锰 010448<span class='red'>碳</span>酸钾水 010550<span class='red'>碳</span>酸钡石 C010025<span class='red'>碳</span>酸氢铵 010528四氯化<span class='red'>碳</span> 重<span class='red'>碳</span>酸铵 C010013<span class='red'>碳</span>酸氢钠 010149二硫化<span class='red'>碳</span> 010422过<span class='red'>碳</span>酸盐 <span class='red'>碳</span>酸钙镁 C010112<span class='red'>环</span>己醇 C010055<span class='red'>环</span>烷酸 C010164<span class='red'>环</span>己酮 <span class='red'>环</span>己烷 <span class='red'>环</span>戊烷 工业用<span class='red'>低</span>聚肽 010357<span class='red'>碳</span>水化合物 C010026轻质<span class='red'>碳</span>酸钙 C010120<span class='red'>环</span>氧乙烷 C010087<span class='red'>环</span>氧丙烷 010689<span class='red'>碳</span>化硅（原材料） 二氟二氯化<span class='red'>碳</span> 工业用<span class='red'>碳</span>化硅 氯氟<span class='red'>碳</span>化合物 杂<span class='red'>环</span>化合物 <span class='red'>碳</span>化硅（生产其他产品用原材料）

渗<span class='red'>碳</span>剂 工业用<span class='red'>碳</span>化硅 010089引擎脱<span class='red'>碳</span>用化学品 010197液压循<span class='red'>环</span>用传动液 010145橡胶<span class='red'>保</span>护剂 C010178印染用<span class='red'>保</span>险粉 010540砖瓦用除油漆和油外的<span class='red'>保</span>护剂 010196水泥用除油漆和油外的<span class='red'>保</span>护剂 010117混凝土用除油漆和油外的<span class='red'>保</span>护剂 010381砖建筑用除油漆和油外的<span class='red'>保</span>护剂 010380石建筑用除油漆和油外的<span class='red'>保</span>护剂

010221<span class='red'>低</span>温实验制剂

010274未加工<span class='red'>环</span>氧树脂 未加工的聚<span class='red'>碳</span>酸酯树脂

010209花用<span class='red'>保</span>鲜剂 切花用<span class='red'>保</span>鲜剂 010480<span class='red'>保</span>存种子用物质 010586植物<span class='red'>保</span>护用蒽油

010348<span class='red'>保</span>存食物用油 010210制药工业用<span class='red'>保</span>存剂 食品<span class='red'>保</span>存用化学品 食品<span class='red'>保</span>存用化合物 食品<span class='red'>保</span>鲜防腐用化学品

普通粘接修复用<span class='red'>环</span>氧树脂胶黏剂

<span class='red'>低</span>音管 <span class='red'>低</span>音鼓 <span class='red'>低</span>音吉他 倍<span class='red'>低</span>音管 150027<span class='red'>低</span>音提琴 <span class='red'>低</span>音乐器 <span class='red'>低</span>音电吉他 电<span class='red'>低</span>音吉他 150013<span class='red'>低</span>音提琴（乐器） 原声<span class='red'>低</span>音吉他

<span class='red'>低</span>音鼓槌 <span class='red'>低</span>音提琴尾柱 笛膜<span class='red'>保</span>护器

<span class='red'>环</span>状耳<span class='red'>环</span> 140118耳<span class='red'>环</span> 镀金耳<span class='red'>环</span> 夹式耳<span class='red'>环</span> 夹耳式耳<span class='red'>环</span> 指<span class='red'>环</span>（小饰物） 穿耳式耳<span class='red'>环</span> 贵金属制耳<span class='red'>环</span> 使穿孔式耳<span class='red'>环</span>变为夹耳式耳<span class='red'>环</span>的首饰夹 140162钥匙圈（带小饰物或短链饰物的扣<span class='red'>环</span>） 140162钥匙链（带小饰物或短链饰物的扣<span class='red'>环</span>）

LED指<span class='red'>环</span>表

<span class='red'>保</span>护戒指<span class='red'>环</span>和宝石免受碰撞、磨损和损伤的戒指专用罩