Контрольное приспособление при игре в шахматы,申请号SU19280029097-传众专利搜索

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发明名称	Контрольное приспособление при игре в шахматы
摘要
申请公布号	SU12788(A1)	申请公布日期	1930.01.31
申请号	SU19280029097	申请日期	1928.06.19
申请人	ARDASHEV A.A.	发明人	ARDASHEV A.A.
分类号	G07C1/28	主分类号	G07C1/28
代理机构		代理人
主权项
地址

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