Method and means for focusing sound caused by aircraft,申请号US19540456786-传众专利搜索

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法人/股东/高管

发明名称	Method and means for focusing sound caused by aircraft
摘要
申请公布号	US2938682(A)	申请公布日期	1960.05.31
申请号	US19540456786	申请日期	1954.09.17
申请人	GENERAL PRECISION, INC.	发明人	FOGARTY LAURENCE E.
分类号	F41G7/20	主分类号	F41G7/20
代理机构		代理人
主权项
地址

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