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发明名称
Verfahren und Vorrichtung zum Herstellen einer Flachwendelfeder
摘要
申请公布号
DE653426(C)
申请公布日期
1937.11.23
申请号
DE1936M134714D
申请日期
1936.06.04
申请人
MASCHINENFABRIK WAFIOS A.-G.
发明人
分类号
B21F35/00;B21F35/04
主分类号
B21F35/00
代理机构
代理人
主权项
地址
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