Method of making propeller blades,申请号US19470757845-传众专利搜索

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发明名称	Method of making propeller blades
摘要
申请公布号	US2577336(A)	申请公布日期	1951.12.04
申请号	US19470757845	申请日期	1947.06.28
申请人	UNITED AIRCRAFT CORPORATION	发明人	LAMPTON GLEN T.
分类号	B21D53/78	主分类号	B21D53/78
代理机构		代理人
主权项
地址

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