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发明名称
Verfahren und Einrichtung zum Herstellen von Zugschraubenfedern mit besonders grosser Vorspannung
摘要
申请公布号
DE728066(C)
申请公布日期
1942.11.19
申请号
DE1937M138887D
申请日期
1937.08.08
申请人
MASCHINENFABRIK WAFIOS WAGNER;FICKER & SCHMID
发明人
分类号
B21F3/06
主分类号
B21F3/06
代理机构
代理人
主权项
地址
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