EDUCATIONAL APPLIANCE FOR DEMONSTRATING PERIODIC D.I.MENDELEEV'S PERIODIC LAW,申请号SU19782575907-传众专利搜索

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发明名称	EDUCATIONAL APPLIANCE FOR DEMONSTRATING PERIODIC D.I.MENDELEEV'S PERIODIC LAW
摘要
申请公布号	SU788146(A2)	申请公布日期	1980.12.15
申请号	SU19782575907	申请日期	1978.02.01
申请人	BAEV VIKTOR K,SU	发明人	BAEV VIKTOR K,SU
分类号	G09B23/20;(IPC1-7):G09B23/20	主分类号	G09B23/20
代理机构		代理人
主权项
地址

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