C280052<span class='red'>双</span>杠 C280055<span class='red'>双</span>环 <span class='red'>双</span>杠（体育用）

日本<span class='red'>双</span>六棋

280233运动球类充气专用气<span class='red'>泵</span>

C260016<span class='red'>双</span>头针

服装镶边用<span class='red'>双</span>绞带

电<span class='red'>泵</span> 气<span class='red'>泵</span> 070088离心<span class='red'>泵</span> 070257<span class='red'>泵</span>膜片 C070433抽气<span class='red'>泵</span> 扩散<span class='red'>泵</span> 轴流<span class='red'>泵</span> 螺杆<span class='red'>泵</span> 循环<span class='red'>泵</span> 污泥<span class='red'>泵</span> 070309<span class='red'>泵</span>（机器） C070344液压<span class='red'>泵</span> 抽吸<span class='red'>泵</span> 真空<span class='red'>泵</span> 回转<span class='red'>泵</span> 尿素<span class='red'>泵</span> 注入<span class='red'>泵</span> <span class='red'>泵</span>的叶轮 070205润滑油<span class='red'>泵</span> C070415汽车油<span class='red'>泵</span> C070416汽车水<span class='red'>泵</span> <span class='red'>泵</span>控制阀 机器用<span class='red'>泵</span> 汽车汽油<span class='red'>泵</span> 070312真空<span class='red'>泵</span>（机器） 070390啤酒抽吸<span class='red'>泵</span> 070393空气压缩<span class='red'>泵</span> 多相螺杆<span class='red'>泵</span> 旋转凸轮<span class='red'>泵</span> 水<span class='red'>泵</span>控制阀 风车驱动<span class='red'>泵</span> 计量加油<span class='red'>泵</span> 水族池用水<span class='red'>泵</span> 070310气<span class='red'>泵</span>（车库设备） 070311供暖装置用<span class='red'>泵</span> 070542加油站发油<span class='red'>泵</span> 往复式真空<span class='red'>泵</span> 发动机燃料<span class='red'>泵</span> 游泳池用水<span class='red'>泵</span> 制冷剂回收<span class='red'>泵</span> 070543自动调节燃料<span class='red'>泵</span> 070579加油站用加氢<span class='red'>泵</span> 070601加油站用加油<span class='red'>泵</span> 发动机用冷却<span class='red'>泵</span> 加油站用燃料<span class='red'>泵</span> 070575逆流游泳用水<span class='red'>泵</span> 游泳池用电动<span class='red'>泵</span> 加油站用汽油<span class='red'>泵</span> 饮料行业用<span class='red'>泵</span>（机器） 马达和引擎用水<span class='red'>泵</span> C070418汽车发动机用汽油<span class='red'>泵</span> C070417汽车发动机用机油<span class='red'>泵</span> 070179<span class='red'>泵</span>（机器、引擎或马达部件） 清洗器具和装置用高压<span class='red'>泵</span>

C070029纸浆<span class='red'>泵</span>

水族池用<span class='red'>泵</span> 070005水族池通气<span class='red'>泵</span> 水族池用造浪<span class='red'>泵</span>

C070226矿井排水<span class='red'>泵</span>

C070242石油专用抽油<span class='red'>泵</span> C070239石油专用泥浆<span class='red'>泵</span>

<span class='red'>联</span>合收割机

C070253<span class='red'>联</span>合抹灰机

070001<span class='red'>联</span>轴器（机器） 070369机器<span class='red'>联</span>动装置 <span class='red'>联</span>轴器（机器部件） 070385非陆地车辆用<span class='red'>联</span>轴节 液压<span class='red'>联</span>轴器（机器部件） 非陆地车辆用<span class='red'>联</span>动机件 机器用动力<span class='red'>联</span>动和传动装置（非陆地车辆用）

110268热<span class='red'>泵</span>

空气能热水器（空气源热<span class='red'>泵</span>热水器）

C010138<span class='red'>双</span>氰胺 C010166<span class='red'>双</span>乙酮 C010100<span class='red'>联</span>苯 010358<span class='red'>联</span>氨 C010119<span class='red'>联</span>苯醚 <span class='red'>联</span>甲苯胺 <span class='red'>联</span>茴香胺 硫酸<span class='red'>联</span>苯胺 对二氨基<span class='red'>联</span>苯 <span class='red'>联</span>甲苯胺硫酸 <span class='red'>联</span>甲苯胺硫酸盐