Hydraulic propeller pitch-changing system,申请号US19460651264-传众专利搜索

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发明名称	Hydraulic propeller pitch-changing system
摘要
申请公布号	US2640555(A)	申请公布日期	1953.06.02
申请号	US19460651264	申请日期	1946.03.01
申请人	CURTISS-WRIGHT CORPORATION	发明人	CUSHMAN MAURICE E.
分类号	B64C11/42	主分类号	B64C11/42
代理机构		代理人
主权项
地址

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