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发明名称
CLEANING DEVICE AND METHOD FOR CLEANING PIPE INNER AND KEEPING THE MINIMUM FLOW SPEED
摘要
申请公布号
KR100596680(B1)
申请公布日期
2006.07.13
申请号
KR20060025662
申请日期
2006.03.21
申请人
NASSTECH ENG. CO., LTD.
发明人
CHUNG, CHUL KWON;PARK, YOUNG HUN;PYO, BEOM RYEOL
分类号
B08B9/027;B08B9/02
主分类号
B08B9/027
代理机构
代理人
主权项
地址
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