Propeller,申请号US19290340059-传众专利搜索

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发明名称	Propeller
摘要
申请公布号	US1839811(A)	申请公布日期	1932.01.05
申请号	US19290340059	申请日期	1929.02.15
申请人	JOHN SQUIRES	发明人	SQUIRES JOHN
分类号	B64C11/24	主分类号	B64C11/24
代理机构		代理人
主权项
地址

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