Ressort bispiral et son procédé de fabrication,申请号FRD54212-传众专利搜索

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发明名称	Ressort bispiral et son procédé de fabrication
摘要
申请公布号	FR54212(E)	申请公布日期	1948.06.25
申请号	FRD54212	申请日期	1945.09.28
申请人		发明人	BONNEMORT DANIEL-EMILE-AUGUSTI
分类号	F16F1/02	主分类号	F16F1/02
代理机构		代理人
主权项
地址

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