Controllable pitch-change mechanism for dual rotation propellers,申请号US19430513611-传众专利搜索

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发明名称	Controllable pitch-change mechanism for dual rotation propellers
摘要
申请公布号	US2367230(A)	申请公布日期	1945.01.16
申请号	US19430513611	申请日期	1943.12.09
申请人	MCCOY HOWARD M	发明人	MCCOY HOWARD M.
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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