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发明名称
Haemmermaschine zum Schmieden von Schraubenspindeln und Spiralbohrern
摘要
申请公布号
DE916144(C)
申请公布日期
1954.08.05
申请号
DE1951W011656
申请日期
1951.11.10
申请人
GEORG WELSCH
发明人
WELSCH GEORG
分类号
B21J7/14;B21K5/04
主分类号
B21J7/14
代理机构
代理人
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