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发明名称
Vorrichtung zum Eindrehen zylindrischer Schraubenfedern
摘要
申请公布号
DE1602638(A1)
申请公布日期
1971.11.11
申请号
DE19671602638
申请日期
1967.02.24
申请人
ERNST SCHMITTHELM FEDERN- UND METALLWARENFABRIK
发明人
分类号
B21F35/00
主分类号
B21F35/00
代理机构
代理人
主权项
地址
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