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发明名称
Vorrichtung zur OEsenbildung am Ende von Schraubenfedern in einer Maschine zur Erzeugung von Federkoerpern, z. B. Federmatratzen
摘要
申请公布号
DE1018833(B)
申请公布日期
1957.11.07
申请号
DE1955S042657
申请日期
1955.02.10
申请人
SPUEHL A.-G.
发明人
分类号
B21F33/04
主分类号
B21F33/04
代理机构
代理人
主权项
地址
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