Frein d'écrou,申请号FRD674781-传众专利搜索

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发明名称	Frein d'écrou
摘要
申请公布号	FR674781(A)	申请公布日期	1930.02.01
申请号	FRD674781	申请日期	1929.05.08
申请人		发明人	RAYMOND ACHILLE-FRANCOIS
分类号	F16B39/14	主分类号	F16B39/14
代理机构		代理人
主权项
地址

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