Aircraft, especially aircraft of the amphibian type, including means of constructing and operating the same,申请号US19290339430-传众专利搜索

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发明名称	Aircraft, especially aircraft of the amphibian type, including means of constructing and operating the same
摘要
申请公布号	US1838044(A)	申请公布日期	1931.12.22
申请号	US19290339430	申请日期	1929.02.12
申请人	SIKORSKY AVIATION CORPORATION	发明人	SIKORSKY IGOR
分类号	B64D27/00	主分类号	B64D27/00
代理机构		代理人
主权项
地址

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