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发明名称
AUGER INSTALLED VIBRATOR AND METHOD
摘要
申请公布号
KR100591288(B1)
申请公布日期
2006.06.12
申请号
KR20050105124
申请日期
2005.11.03
申请人
KYUNG IN CO., LTD.
发明人
CHA, YEON SEOK
分类号
E21B17/02
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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