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经营范围
发明名称
Rollenbohrkrone
摘要
申请公布号
DE930921(C)
申请公布日期
1955.12.01
申请号
DE1953B026803
申请日期
1953.08.01
申请人
BADE & CO. G.M.B.H.
发明人
BADE FRANZ
分类号
E21B10/10
主分类号
E21B10/10
代理机构
代理人
主权项
地址
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