Perfectionnements apportés aux générateurs de vapeur avec tubes de vaporisation,申请号FRD739491-传众专利搜索

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发明名称	Perfectionnements apportés aux générateurs de vapeur avec tubes de vaporisation
摘要
申请公布号	FR739491(A)	申请公布日期	1933.01.12
申请号	FRD739491	申请日期	1931.10.19
申请人		发明人	PFEIFFER EMMA
分类号	F22B35/00	主分类号	F22B35/00
代理机构		代理人
主权项
地址

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