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发明名称
Verfahren zur Herstellung des Kopfes (Loeffels) fuer Tieflochbohrer mit Hartmetallbestueckung
摘要
申请公布号
DE718489(C)
申请公布日期
1942.03.13
申请号
DE1938W104743D
申请日期
1938.12.16
申请人
FRITZ WERNER AG.
发明人
RICHTER JOHANNES
分类号
B23K31/02
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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