Variable pitch propeller control,申请号US19410394047-传众专利搜索

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发明名称	Variable pitch propeller control
摘要
申请公布号	US2377633(A)	申请公布日期	1945.06.05
申请号	US19410394047	申请日期	1941.05.19
申请人	GENERAL MOTORS CORPORATION	发明人	KETTERING CHARLES F.
分类号	B63H3/04;B63H3/06	主分类号	B63H3/04
代理机构		代理人
主权项
地址

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