Rotating wing for aircraft,申请号US19440553223-传众专利搜索

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法人/股东/高管

发明名称	Rotating wing for aircraft
摘要
申请公布号	US2474079(A)	申请公布日期	1949.06.21
申请号	US19440553223	申请日期	1944.09.08
申请人	HARRY WALDMAN	发明人	WILSON CHRISTOPHER R.
分类号	B64C39/00	主分类号	B64C39/00
代理机构		代理人
主权项
地址

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