Improvements in or relating to the arrangement of propellers and more particularly of variable pitch propellers,申请号GB19340027293-传众专利搜索

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发明名称	Improvements in or relating to the arrangement of propellers and more particularly of variable pitch propellers
摘要
申请公布号	GB434567(A)	申请公布日期	1935.09.04
申请号	GB19340027293	申请日期	1934.09.22
申请人	AUGUSTE RENE BALLU	发明人
分类号	B64C11/34	主分类号	B64C11/34
代理机构		代理人
主权项
地址

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