Improvements in or relating to centrifugal fan wheels,申请号GB19530012570-传众专利搜索

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发明名称	Improvements in or relating to centrifugal fan wheels
摘要
申请公布号	GB720956(A)	申请公布日期	1954.12.29
申请号	GB19530012570	申请日期	1953.05.06
申请人	WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY	发明人
分类号	F04D29/30	主分类号	F04D29/30
代理机构		代理人
主权项
地址

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