Testing method and apparatus,申请号US19360073916-传众专利搜索

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发明名称	Testing method and apparatus
摘要
申请公布号	US2158409(A)	申请公布日期	1939.05.16
申请号	US19360073916	申请日期	1936.04.11
申请人	MAGNAFLUX CORPORATION	发明人	FOREST ALFRED V. DE;DOANE FOSTER B.
分类号	G01N27/84	主分类号	G01N27/84
代理机构		代理人
主权项
地址

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