Improvements in the control of variable pitch airscrews,申请号GB19390015663-传众专利搜索

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发明名称	Improvements in the control of variable pitch airscrews
摘要
申请公布号	GB529783(A)	申请公布日期	1940.11.28
申请号	GB19390015663	申请日期	1939.05.26
申请人	BLACKBURN AIRCRAFT LIMITED;JOHN BUTLER EDLINGTON JOHNSON	发明人
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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