Airplane propeller blade,申请号US19290375060-传众专利搜索

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发明名称	Airplane propeller blade
摘要
申请公布号	US1799745(A)	申请公布日期	1931.04.07
申请号	US19290375060	申请日期	1929.07.01
申请人	AIRCRAFT SPECIALTIES COMPANY	发明人	GUNN CHARLES H.
分类号	B64C11/16	主分类号	B64C11/16
代理机构		代理人
主权项
地址

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