Perfectionnement aux machines à écrire silencieuses,申请号FRD1046154-传众专利搜索

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发明名称	Perfectionnement aux machines à écrire silencieuses
摘要
申请公布号	FR1046154(A)	申请公布日期	1953.12.03
申请号	FRD1046154	申请日期	1951.12.05
申请人	UNDERWOOD CORPORATION	发明人
分类号	B41J7/02	主分类号	B41J7/02
代理机构		代理人
主权项
地址

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