Vanne principale d'admission de vapeur pour le chauffage des wagons,申请号FRD975818-传众专利搜索

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发明名称	Vanne principale d'admission de vapeur pour le chauffage des wagons
摘要
申请公布号	FR975818(A)	申请公布日期	1951.03.09
申请号	FRD975818	申请日期	1948.12.03
申请人	ALEX FRIEDMANN	发明人
分类号	B61D27/00;F16K11/074	主分类号	B61D27/00
代理机构		代理人
主权项
地址

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