Self testing device,申请号US19610144225-传众专利搜索

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发明名称	Self testing device
摘要
申请公布号	US3097435(A)	申请公布日期	1963.07.16
申请号	US19610144225	申请日期	1961.10.10
申请人	HANS GOLDSCHMIDT	发明人	GOLDSCHMIDT HANS
分类号	G09B3/04	主分类号	G09B3/04
代理机构		代理人
主权项
地址

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