Пропеллер с поворотными лопастями для изменения шага винта,申请号SU19300066529-传众专利搜索

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发明名称	Пропеллер с поворотными лопастями для изменения шага винта
摘要
申请公布号	SU24250(A1)	申请公布日期	1931.11.30
申请号	SU19300066529	申请日期	1930.03.17
申请人	BORISOV D.I.	发明人	BORISOV D.I.
分类号	B64C11/36	主分类号	B64C11/36
代理机构		代理人
主权项
地址

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