HIGH ABSORPTION BACKINGS FOR ULTRASONIC CRYSTALS,申请号CAD522247-传众专利搜索

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发明名称	HIGH ABSORPTION BACKINGS FOR ULTRASONIC CRYSTALS
摘要
申请公布号	CA522247(A)	申请公布日期	1956.02.28
申请号	CAD522247	申请日期
申请人	SPERRY PRODUCTS	发明人	FRED H. HARDIE;ROBERT C. GOODMAN
分类号		主分类号
代理机构		代理人
主权项
地址

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