发明名称 CLEANING DEVICE FOR GROUND WATER TUBE WELL
摘要 The present invention relates to a device for cleaning a groundwater tube well and, more specifically, to a device for cleaning a groundwater tube well to facilitate the removal of foreign materials or the like such as minerals, sand, or the like that is introduced into a tube well and is precipitated over a long period of time. To achieve the purpose, the present invention comprises: a discharge unit inserted into the tube well; a suction unit installed in a lower portion of the discharge unit; and a crushing unit installed in a lower portion of the suction unit and crushing deposits.
申请公布号 KR101520943(B1) 申请公布日期 2015.05.18
申请号 KR20130146453 申请日期 2013.11.28
申请人 CHO, SUN NAM 发明人 CHO, SUN NAM
分类号 E21B21/01;B08B3/04;B08B9/045 主分类号 E21B21/01
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