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发明名称
Meisselrolle zum Abtragen von Gestein
摘要
申请公布号
DE1232895(B)
申请公布日期
1967.01.26
申请号
DE1964S093189
申请日期
1964.09.16
申请人
J. C. SOEDING & HALBACH
发明人
BECHEM KARL-GUENTHER
分类号
E21B10/28
主分类号
E21B10/28
代理机构
代理人
主权项
地址
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