Chapeau de ventilation ou de cheminée,申请号FRD851102-传众专利搜索

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发明名称	Chapeau de ventilation ou de cheminée
摘要
申请公布号	FR851102(A)	申请公布日期	1940.01.03
申请号	FRD851102	申请日期	1939.03.02
申请人		发明人	BACK OSKAR
分类号	F23L17/10	主分类号	F23L17/10
代理机构		代理人
主权项
地址

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