Encircling type pipeline mop

The invention provides a surrounding type pipeline mop which comprises an annular mop head and a mop rod, the annular mop head is fixedly connected with the mop rod, the annular mop head is of an annular structure, and mop lint is arranged on the inner side of the annular mop head. The annular mop h...

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Hauptverfasser: XU NING, GUO FENG, ZHANG ZHIJIAN, LIU BAIMING, LI JIAN, LI XIUCHENG, WANG ZHONGYUAN, GUO TIELIN, LAN FUYU, LIU HUI, LI HENIAN, DONG CHANG, ZHANG HANBO, ZHANG HE, TIAN YU, GONG AO, GUO ZIPENG, LIU JIAQI, WANG HAO, YUE SHUANG, SONG YIWEI, WANG GUIAN, LEI MINGQI, YANG JINXUE, GU YI
Format: Patent
Sprache:chi ; eng
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