Improvements in or relating to fluid propelling and suction means by means of blades which automatically adjust themselves during working,申请号GB19390013669-传众专利搜索

发明名称	Improvements in or relating to fluid propelling and suction means by means of blades which automatically adjust themselves during working
摘要
申请公布号	GB528439(A)	申请公布日期	1940.10.29
申请号	GB19390013669	申请日期	1939.05.08
申请人	LUIGI GHIRARDI	发明人
分类号	F04D29/38	主分类号	F04D29/38
代理机构		代理人
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