Wire spring structure,申请号US19570640687-传众专利搜索

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发明名称	Wire spring structure
摘要
申请公布号	US2835316(A)	申请公布日期	1958.05.20
申请号	US19570640687	申请日期	1957.02.18
申请人	THE UNIVERSAL WIRE SPRING COMPANY	发明人	NEELY WILLIAM H.
分类号	A47C7/30	主分类号	A47C7/30
代理机构		代理人
主权项
地址

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