Improvements in centrifugal blowers,申请号GB19400010382-传众专利搜索

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发明名称	Improvements in centrifugal blowers
摘要
申请公布号	GB541891(A)	申请公布日期	1941.12.16
申请号	GB19400010382	申请日期	1940.06.14
申请人	ARTHUR HOLMES FLETCHER	发明人
分类号	F04D17/12	主分类号	F04D17/12
代理机构		代理人
主权项
地址

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