Variable pitch propeller,申请号US19390252662-传众专利搜索

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发明名称	Variable pitch propeller
摘要
申请公布号	US2241008(A)	申请公布日期	1941.05.06
申请号	US19390252662	申请日期	1939.01.24
申请人	RUDOLPH TURNA	发明人	TURNA RUDOLPH
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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