170009<span class='red'>密</span><span class='red'>封</span>环 170043<span class='red'>密</span><span class='red'>封</span>垫片 170131O形<span class='red'>密</span><span class='red'>封</span>圈 防锈<span class='red'>密</span><span class='red'>封</span>物 防水<span class='red'>密</span><span class='red'>封</span>物 硅酮<span class='red'>密</span><span class='red'>封</span>物 防尘用<span class='red'>密</span><span class='red'>封</span>物 接头用<span class='red'>密</span><span class='red'>封</span>剂 170069接头用<span class='red'>密</span><span class='red'>封</span>物 聚氨酯<span class='red'>密</span><span class='red'>封</span>物 170012瓶用橡胶<span class='red'>密</span><span class='red'>封</span>物 170118<span class='red'>密</span><span class='red'>封</span>管道用胶带 170136变速箱用液态<span class='red'>密</span><span class='red'>封</span>胶 170042<span class='red'>密</span><span class='red'>封</span>裂缝用化学合成物 管道接头<span class='red'>密</span><span class='red'>封</span>用橡胶圈 170066<span class='red'>封</span>泥 170130油<span class='red'>封</span>

C170023<span class='red'>封</span>拉线（卷烟）

<span class='red'>铁</span>路轨道绝缘物 170084<span class='red'>铁</span>路轨道用绝缘体

170077包装用橡胶袋（信<span class='red'>封</span>、小袋） 商品包装用橡胶袋（信<span class='red'>封</span>、小袋）

路面<span class='red'>密</span><span class='red'>封</span> 建筑物<span class='red'>密</span><span class='red'>封</span>和勾缝服务 <span class='red'>铁</span>路轨道的安装、维护和修理

空调气孔<span class='red'>密</span><span class='red'>封</span>服务 空调出风口的<span class='red'>密</span><span class='red'>封</span>服务

<span class='red'>铁</span>路车辆清洗 <span class='red'>铁</span>路车辆清洁 <span class='red'>铁</span>路车辆的修理或维护

轮胎<span class='red'>密</span><span class='red'>封</span>胶 轮胎用<span class='red'>密</span><span class='red'>封</span>化合物 涂层和<span class='red'>密</span><span class='red'>封</span>用工业黏合剂

010290<span class='red'>铁</span>盐 <span class='red'>铁</span>明矾 磷酸<span class='red'>铁</span> 氯化<span class='red'>铁</span> <span class='red'>铁</span>精粉 C010045硫化<span class='red'>铁</span> 硝酸<span class='red'>铁</span> 氧化<span class='red'>铁</span> 010745磷酸<span class='red'>铁</span>锂 <span class='red'>铁</span>氰化钾 磷酸<span class='red'>铁</span>锂 硫酸亚<span class='red'>铁</span> 010229氰亚<span class='red'>铁</span>酸盐 亚<span class='red'>铁</span>氰化钾 工业用磷酸<span class='red'>铁</span>锂

010292<span class='red'>铁</span>板照相板（摄影用）

<span class='red'>封</span>闭植物伤口用化学制剂 防止植物叶子变黄用硫酸亚<span class='red'>铁</span>

用于制造金属铸件的氧化<span class='red'>铁</span>基铸造用砂添加剂 中和不锈钢、<span class='red'>铁</span>及各种颜色金属合金用化学品

060297金属<span class='red'>密</span><span class='red'>封</span>盖 瓶用金属<span class='red'>密</span><span class='red'>封</span>盖 060119马口<span class='red'>铁</span>制包装物

060146铅<span class='red'>封</span> 060080铬<span class='red'>铁</span> 060136钼<span class='red'>铁</span> 060139钨<span class='red'>铁</span> C060002<span class='red'>铁</span>砂 生<span class='red'>铁</span> 060115生<span class='red'>铁</span>或半锻造<span class='red'>铁</span> 060137硅<span class='red'>铁</span> 060138钛<span class='red'>铁</span> 060052<span class='red'>铁</span>板 060131<span class='red'>铁</span>条 <span class='red'>铁</span>丸 铸<span class='red'>铁</span> 角<span class='red'>铁</span> 060374马口<span class='red'>铁</span> 海绵<span class='red'>铁</span> C060003白<span class='red'>铁</span>皮 合金<span class='red'>铁</span> 纯<span class='red'>铁</span>锭 <span class='red'>铁</span>合金 060345金属角<span class='red'>铁</span> 球墨铸<span class='red'>铁</span>桩 060133未加工或半加工铸<span class='red'>铁</span> 未加工或半加工的铸<span class='red'>铁</span>

<span class='red'>铁</span>轨用铸<span class='red'>铁</span>材料 060013<span class='red'>铁</span>路道岔 060212转车盘（<span class='red'>铁</span>道） C060018<span class='red'>铁</span>道防爬器 060013<span class='red'>铁</span>路转辙器 060089<span class='red'>铁</span>路金属材料 060095<span class='red'>铁</span>路金属护轨 060245<span class='red'>铁</span>路用金属轨枕 <span class='red'>铁</span>轨用金属材料 <span class='red'>铁</span>路用金属枕木 060116鱼尾形接轨夹（<span class='red'>铁</span>路） <span class='red'>铁</span>路建造用金属材料 060326<span class='red'>铁</span>路货车用金属载量规杆 060330缆索<span class='red'>铁</span>道永久导轨用金属材料

<span class='red'>铁</span>门 C060012镀锌<span class='red'>铁</span>塔 <span class='red'>铁</span>丝栅栏 锻<span class='red'>铁</span>制大门 060106窗用<span class='red'>铁</span>制品 060347门用<span class='red'>铁</span>制品 <span class='red'>铁</span>或钢制搁栅

060131<span class='red'>铁</span>箍 060132<span class='red'>铁</span>丝 C060045<span class='red'>铁</span>带 <span class='red'>铁</span>丝织网 带刺<span class='red'>铁</span>丝 岩滑防护<span class='red'>铁</span>丝网 滑坡防护用<span class='red'>铁</span>丝网

060097<span class='red'>铁</span>砧 060248<span class='red'>铁</span>砧（便携式） 060284<span class='red'>铁</span>带拉伸器（张力环）

生<span class='red'>铁</span>管

060134<span class='red'>铁</span>矿石 060163褐<span class='red'>铁</span>矿 铬<span class='red'>铁</span>矿石 黄<span class='red'>铁</span>矿砂

C060021<span class='red'>铁</span>接板 C060022马蹄形钩环（脚扣、<span class='red'>铁</span>鞋）

060469袋子用金属<span class='red'>封</span>口夹

C070358机械<span class='red'>密</span><span class='red'>封</span>件 070621机械<span class='red'>密</span><span class='red'>封</span>件（机器部件）

070118<span class='red'>密</span><span class='red'>封</span>接头（引擎部件）

家用电动食品真空<span class='red'>密</span><span class='red'>封</span>机 070412瓶子<span class='red'>封</span>口机 070347工业用<span class='red'>封</span>口机 <span class='red'>封</span>塑料用电动装置（包装用） 070541塑料<span class='red'>封</span>口用电动装置（包装用）

C070229混<span class='red'>铁</span>炉 C070228铸<span class='red'>铁</span>机

070529电焊烙<span class='red'>铁</span> 070505气动焊接烙<span class='red'>铁</span>

C070262铸<span class='red'>铁</span>丸设备

C070257起重电磁<span class='red'>铁</span> 070271<span class='red'>铁</span>路货车用千斤顶

070383<span class='red'>铁</span>路建筑机器 C070450<span class='red'>铁</span>路液压养路机具

070625家用电动食品真空<span class='red'>封</span>口机