Improvements in or relating to screw-propeller hubs,申请号GB19380030122-传众专利搜索

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发明名称	Improvements in or relating to screw-propeller hubs
摘要
申请公布号	GB507466(A)	申请公布日期	1939.06.12
申请号	GB19380030122	申请日期	1937.09.11
申请人	KENNETH GATISS FRASER	发明人
分类号	B64C11/02	主分类号	B64C11/02
代理机构		代理人
主权项
地址

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