Variable pitch propeller,申请号US19370152677-传众专利搜索

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发明名称	Variable pitch propeller
摘要
申请公布号	US2192034(A)	申请公布日期	1940.02.27
申请号	US19370152677	申请日期	1937.07.09
申请人	THE GLENN L. MARTIN COMPANY	发明人	DRIGGS IVAN H.
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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