Improvements in or relating to axial flow fans,申请号GB19520009473-传众专利搜索

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发明名称	Improvements in or relating to axial flow fans
摘要
申请公布号	GB704440(A)	申请公布日期	1954.02.24
申请号	GB19520009473	申请日期	1952.04.15
申请人	FRANCOIS JACQUES BARTHELEMY BERRY	发明人
分类号	F04D19/00	主分类号	F04D19/00
代理机构		代理人
主权项
地址

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