Electrically controlled switching device for variable pitch propellers,申请号GB19370023681-传众专利搜索

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发明名称	Electrically controlled switching device for variable pitch propellers
摘要
申请公布号	GB485968(A)	申请公布日期	1938.05.27
申请号	GB19370023681	申请日期	1937.08.30
申请人	VEREINIGTE DEUTSCHE METALLWERKE AKTIENGESELLSCHAFT	发明人
分类号	B64C11/44	主分类号	B64C11/44
代理机构		代理人
主权项
地址

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