Improvements in variable pitch and reversible propellers,申请号GB19330027543-传众专利搜索

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发明名称	Improvements in variable pitch and reversible propellers
摘要
申请公布号	GB426724(A)	申请公布日期	1935.04.08
申请号	GB19330027543	申请日期	1933.10.06
申请人	JAMES HENRY MCCOLLOUGH	发明人
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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