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发明名称
PNEUMATISCH BETAETIGTER VERSENKBOHRHAMMER
摘要
申请公布号
DE1962185(B2)
申请公布日期
1971.05.13
申请号
DE19691962185
申请日期
1969.12.11
申请人
STENUICK FRERES
发明人
分类号
E21B4/14;(IPC1-7):E21B1/06
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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