Improvements in or relating to variable pitch propellers,申请号GB19310019261-传众专利搜索

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发明名称	Improvements in or relating to variable pitch propellers
摘要
申请公布号	GB381919(A)	申请公布日期	1932.10.03
申请号	GB19310019261	申请日期	1931.07.03
申请人	THE FAIREY AVIATION COMPANY, LIMITED;DAVID LEONARD HOLLIS WILLIAMS	发明人
分类号	B64C11/34	主分类号	B64C11/34
代理机构		代理人
主权项
地址

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