Improvements in and relating to variable pitch propellers,申请号GB19340035050-传众专利搜索

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发明名称	Improvements in and relating to variable pitch propellers
摘要
申请公布号	GB425028(A)	申请公布日期	1935.03.05
申请号	GB19340035050	申请日期	1934.12.06
申请人	ROGER DUSSI	发明人
分类号	B64C11/36	主分类号	B64C11/36
代理机构		代理人
主权项
地址

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