Reflection absorbing ultrasonic wedge,申请号US19500192262-传众专利搜索

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发明名称	Reflection absorbing ultrasonic wedge
摘要
申请公布号	US2649550(A)	申请公布日期	1953.08.18
申请号	US19500192262	申请日期	1950.10.26
申请人	SPERRY PRODUCTS, INC.	发明人	HARDIE FRED H.;GOODMAN ROBERT C.;VALKENBURG HOWARD E. VAN
分类号	G01N29/28	主分类号	G01N29/28
代理机构		代理人
主权项
地址

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