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经营范围
发明名称
SLIP-TYPE GRIPPING ASSEMBLY.
摘要
申请公布号
EP0630440(A4)
申请公布日期
1997.07.23
申请号
EP19940900576
申请日期
1993.11.08
申请人
BILCO TOOLS INC.
发明人
PENISSON, DENNIS, J.
分类号
E21B19/10;(IPC1-7):E21B19/10
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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