EDUCATIONAL APPLIANCE FOR DEMONSTRATING ARCHIMEDES PRINCIPLE,申请号SU19904807288-传众专利搜索

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发明名称	EDUCATIONAL APPLIANCE FOR DEMONSTRATING ARCHIMEDES PRINCIPLE
摘要
申请公布号	SU1727150(A1)	申请公布日期	1992.04.15
申请号	SU19904807288	申请日期	1990.03.28
申请人	LE POLT I IM.M.I.KALININA	发明人	BELOV VLADIMIR N,SU;MARKOV SERGEJ I,SU
分类号	G09B23/12	主分类号	G09B23/12
代理机构		代理人
主权项
地址

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