VERFAHREN ZUM HERSTELLEN VON SCHRAUBENFEDERN AUS ZYLINDRISCHEN ODER KONISCHEN FEDERSTAHLDRAEHTEN,申请号DE19752503655-传众专利搜索

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发明名称	VERFAHREN ZUM HERSTELLEN VON SCHRAUBENFEDERN AUS ZYLINDRISCHEN ODER KONISCHEN FEDERSTAHLDRAEHTEN
摘要
申请公布号	DE2503655(B2)	申请公布日期	1977.12.15
申请号	DE19752503655	申请日期	1975.01.29
申请人		发明人
分类号	B21F3/00;C21D9/02;(IPC1-7):B21F3/02	主分类号	B21F3/00
代理机构		代理人
主权项
地址

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