Perfectionnement au ring des machines à écrire,申请号FRD1001426-传众专利搜索

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发明名称	Perfectionnement au ring des machines à écrire
摘要
申请公布号	FR1001426(A)	申请公布日期	1952.02.25
申请号	FRD1001426	申请日期	1946.05.06
申请人	ETABLISSEMENTS JAPY FRERES	发明人
分类号	B41J7/30	主分类号	B41J7/30
代理机构		代理人
主权项
地址

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