Variable speed counter-rotating rotor system for helicopters and control means therefor,申请号US19480002033-传众专利搜索

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发明名称	Variable speed counter-rotating rotor system for helicopters and control means therefor
摘要
申请公布号	US2667227(A)	申请公布日期	1954.01.26
申请号	US19480002033	申请日期	1948.01.12
申请人	LASKOWITZ ISIDOR B	发明人	LASKOWITZ ISIDOR B.
分类号	B64C27/12	主分类号	B64C27/12
代理机构		代理人
主权项
地址

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