Perfectionnements aux fours électriques pour la production de vapeurs nitreuses,申请号FRD840913-传众专利搜索

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发明名称	Perfectionnements aux fours électriques pour la production de vapeurs nitreuses
摘要
申请公布号	FR840913(A)	申请公布日期	1939.05.08
申请号	FRD840913	申请日期	1938.01.05
申请人	HYDRO-ELECTRIQUE AIGUEBELETTE-BOURGET	发明人
分类号	C01B21/20	主分类号	C01B21/20
代理机构		代理人
主权项
地址

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