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发明名称
Erweiterungsrollenmeissel
摘要
申请公布号
DE1191317(B)
申请公布日期
1965.04.22
申请号
DE1959S063356
申请日期
1959.06.08
申请人
J. C. SOEDING & HALBACH
发明人
BECHEM KARL-GUENTHER;SCHUETZA DIPL.-ING. JUERGEN
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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