Lens system for ultrasonic viewing of defects in objects,申请号US19490090032-传众专利搜索

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发明名称	Lens system for ultrasonic viewing of defects in objects
摘要
申请公布号	US2592222(A)	申请公布日期	1952.04.08
申请号	US19490090032	申请日期	1949.04.27
申请人	SPERRY PRODUCTS, INC.	发明人	WILLIAMS ROSS E.
分类号	G01N29/06;G10K11/30	主分类号	G01N29/06
代理机构		代理人
主权项
地址

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