Improvements in and relating to the control of variable-pitch propellers,申请号GB19490012314-传众专利搜索

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发明名称	Improvements in and relating to the control of variable-pitch propellers
摘要
申请公布号	GB664780(A)	申请公布日期	1952.01.09
申请号	GB19490012314	申请日期	1949.05.09
申请人	ESCHER WYSS AKTIENGESELLSCHAFT	发明人
分类号	B64C11/42	主分类号	B64C11/42
代理机构		代理人
主权项
地址

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