Rotating device for fans,申请号US19290376575-传众专利搜索

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发明名称	Rotating device for fans
摘要
申请公布号	US1879150(A)	申请公布日期	1932.09.27
申请号	US19290376575	申请日期	1929.07.08
申请人	W. H. ADDINGTON	发明人	FERGUSON JAMES R.
分类号	F04D25/10	主分类号	F04D25/10
代理机构		代理人
主权项
地址

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