DEVICE FOR CHECKING KNOWLEDGE LEVEL OF TRAINEE,申请号SU19853914265-传众专利搜索

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发明名称	DEVICE FOR CHECKING KNOWLEDGE LEVEL OF TRAINEE
摘要
申请公布号	SU1282187(A2)	申请公布日期	1987.01.07
申请号	SU19853914265	申请日期	1985.06.18
申请人	PUDOVKIN VIKTOR K,SU	发明人	PUDOVKIN VIKTOR K,SU
分类号	G09B7/02	主分类号	G09B7/02
代理机构		代理人
主权项
地址

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