Wire spring structure,申请号US19480021141-传众专利搜索

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发明名称	Wire spring structure
摘要
申请公布号	US2643705(A)	申请公布日期	1953.06.30
申请号	US19480021141	申请日期	1948.04.15
申请人	THE UNIVERSAL WIRE SPRING COMPANY	发明人	NEELY WILLIAM H.
分类号	A47C7/30;B60N2/70	主分类号	A47C7/30
代理机构		代理人
主权项
地址

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