METHODS AND MEANS FOR INSPECTING MATERIALS BY WAVE TRAINS,申请号CAD473659-传众专利搜索

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发明名称	METHODS AND MEANS FOR INSPECTING MATERIALS BY WAVE TRAINS
摘要
申请公布号	CA473659(A)	申请公布日期	1951.05.15
申请号	CAD473659	申请日期
申请人	SPERRY PRODUCTS	发明人	RALPH BENJAMIN DE LANO, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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