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发明名称
RUETTELBESCHLEUNIGER ZUR BEFREIUNG VON IN BOHRLOECHERN FESTSTECKENDEN GEGENSTAENDEN
摘要
申请公布号
DE3246649(A1)
申请公布日期
1984.02.09
申请号
DE19823246649
申请日期
1982.12.16
申请人
TAYLOR,WILLIAM T.
发明人
T. TAYLOR,WILLIAM
分类号
E21B31/107;(IPC1-7):E21B23/08
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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