Balance and tracking of rotor blades,申请号US19570691190-传众专利搜索

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发明名称	Balance and tracking of rotor blades
摘要
申请公布号	US2951542(A)	申请公布日期	1960.09.06
申请号	US19570691190	申请日期	1957.10.21
申请人	PARSONS CORPORATION	发明人	STULEN FRANK L.;BALLAUER ALB C.
分类号	B64C27/00	主分类号	B64C27/00
代理机构		代理人
主权项
地址

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