Perfectionnements aux détendeurs,申请号FRD877715-传众专利搜索

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发明名称	Perfectionnements aux détendeurs
摘要
申请公布号	FR877715(A)	申请公布日期	1942.12.15
申请号	FRD877715	申请日期	1941.12.13
申请人	SOCIETE INDEPENDANTE DE TELEGRAPHIE SANS FIL	发明人
分类号	F25B41/06;G05D7/01	主分类号	F25B41/06
代理机构		代理人
主权项
地址

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