Heat-treating mechanism for coil springs,申请号US19510235154-传众专利搜索

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发明名称	Heat-treating mechanism for coil springs
摘要
申请公布号	US2678988(A)	申请公布日期	1954.05.18
申请号	US19510235154	申请日期	1951.07.05
申请人	WUNDERLICH SPRING MACHINERY COMPANY	发明人	NELSON MARTIN J.;IVES CLIFFORD E.
分类号	C21D9/02	主分类号	C21D9/02
代理机构		代理人
主权项
地址

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