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经营范围
发明名称
SAFETY CLAMP
摘要
申请公布号
PL165244(B1)
申请公布日期
1994.11.30
申请号
PL19910290459
申请日期
1991.05.29
申请人
OSRODEK BADAWCZO-ROZWOJOWY TECHNIKI GEOLOGICZNEJ
发明人
FABRYCY TADEUSZ
分类号
E21B17/043;E21B19/12;(IPC1-7):E21B17/043
主分类号
E21B17/043
代理机构
代理人
主权项
地址
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