Dual rotation propeller,申请号US19440519066-传众专利搜索

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发明名称	Dual rotation propeller
摘要
申请公布号	US2533346(A)	申请公布日期	1950.12.12
申请号	US19440519066	申请日期	1944.01.19
申请人	CURTISS-WRIGHT CORPORATION	发明人	BRADY GEORGE W.;CHILLSON CHARLES W.
分类号	B64C11/30	主分类号	B64C11/30
代理机构		代理人
主权项
地址

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