Method of making an annular spring,申请号US19650455390-传众专利搜索

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发明名称	Method of making an annular spring
摘要
申请公布号	US3359617(A)	申请公布日期	1967.12.26
申请号	US19650455390	申请日期	1965.05.13
申请人	GOETZEWERKE FRIEDRICH GOETZE AKTIENGESELLSCHAFT	发明人	BAUMLER HERMANN
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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