Dispositif de modulation par impulsions,申请号FRD987449-传众专利搜索

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发明名称	Dispositif de modulation par impulsions
摘要
申请公布号	FR987449(A)	申请公布日期	1951.08.13
申请号	FRD987449	申请日期	1943.12.30
申请人	LE MATERIEL TELEPHONIQUE	发明人	LAIR JEAN-BAPTISTE
分类号	H03K7/04	主分类号	H03K7/04
代理机构		代理人
主权项
地址

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