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经营范围
发明名称
Klemmvorrichtung fuer Bohrgestaenge oder Rohre
摘要
申请公布号
DE1500852(A1)
申请公布日期
1969.09.18
申请号
DE19661500852
申请日期
1966.11.26
申请人
MASCHINEN- UND BOHRGERAETE-FABRIK ALFRED WIRTH & CO KG
发明人
WOLTERS,JAKOB
分类号
E21B19/10;E21B19/16
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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