Retractable undercarriage for aircraft,申请号US19360074604-传众专利搜索

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发明名称	Retractable undercarriage for aircraft
摘要
申请公布号	US2152539(A)	申请公布日期	1939.03.28
申请号	US19360074604	申请日期	1936.04.15
申请人	HERBERT DOWTY GEORGE	发明人	DOWTY GEORGE HERBERT
分类号	B64C25/14	主分类号	B64C25/14
代理机构		代理人
主权项
地址

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