TEACHING AID IN DEMONSTRATION STRENGTH OF MATERIAL,申请号SU19904838562-传众专利搜索

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发明名称	TEACHING AID IN DEMONSTRATION STRENGTH OF MATERIAL
摘要
申请公布号	SU1741170(A1)	申请公布日期	1992.06.15
申请号	SU19904838562	申请日期	1990.06.12
申请人	UST-KAMENOGORSKIJ STROITELNO-DOROZHNYJ INSTITUT	发明人	SHTRO VALERIJ YA,SU
分类号	G09B23/06	主分类号	G09B23/06
代理机构		代理人
主权项
地址

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