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发明名称
DRILLING SUPPORT
摘要
申请公布号
PL288953(A1)
申请公布日期
1992.08.10
申请号
PL19910288953
申请日期
1991.02.05
申请人
ETECO PRZED NAUKOWO PROD KONST
发明人
MIERZEJEWSKI HENRYK;BACIA ANDRZEJ;OLSZEWSKI ZBIGNIEW;CHRUSLINSKI STEFAN;TYJENSKI TADEUSZ
分类号
B23B47/28;(IPC1-7):B23B47/28
主分类号
B23B47/28
代理机构
代理人
主权项
地址
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