Perfectionnements aux ventilateurs,申请号FRD685813-传众专利搜索

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发明名称	Perfectionnements aux ventilateurs
摘要
申请公布号	FR685813(A)	申请公布日期	1930.07.17
申请号	FRD685813	申请日期	1929.11.29
申请人		发明人	OGAWA YOSHIO
分类号	F04D25/04	主分类号	F04D25/04
代理机构		代理人
主权项
地址

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