Device for analyzing surface defects,申请号US19420429149-传众专利搜索

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发明名称	Device for analyzing surface defects
摘要
申请公布号	US2343891(A)	申请公布日期	1944.03.14
申请号	US19420429149	申请日期	1942.02.02
申请人	FERD DIEFFENBACH	发明人	DIEFFENBACH FERD
分类号	G01N3/42;G01N21/88	主分类号	G01N3/42
代理机构		代理人
主权项
地址

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