Improvements in multi-stage fans, blowers or exhausters,申请号GB19330011833-传众专利搜索

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发明名称	Improvements in multi-stage fans, blowers or exhausters
摘要
申请公布号	GB412380(A)	申请公布日期	1934.06.28
申请号	GB19330011833	申请日期	1933.04.22
申请人	JAMES KEITH & BLACKMAN COMPANY LIMITED;DONALD SONES WOODLEY	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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