Improvements in hydraulic variable pitch propellers,申请号GB19550013075-传众专利搜索

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发明名称	Improvements in hydraulic variable pitch propellers
摘要
申请公布号	GB785766(A)	申请公布日期	1957.11.06
申请号	GB19550013075	申请日期	1955.05.05
申请人	ROTOL LIMITED	发明人	FAIRHURST LEONARD GASKELL
分类号	B64C11/40	主分类号	B64C11/40
代理机构		代理人
主权项
地址

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