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发明名称
ELECTRONIC CLOCK WITH SOUND SIGNAL MEANS
摘要
申请公布号
SU1557545(A1)
申请公布日期
1990.04.15
申请号
SU19884461529
申请日期
1988.07.18
申请人
GONCHAR VALENTIN V,SU;MOLOCHAEV IGOR A,SU;SIZOV YURIJ V,SU;MALASHKEVICH ALEKSANDR A,SU
发明人
GONCHAR VALENTIN V,SU;MOLOCHAEV IGOR A,SU;SIZOV YURIJ V,SU;MALASHKEVICH ALEKSANDR A,SU
分类号
G04G13/00
主分类号
G04G13/00
代理机构
代理人
主权项
地址
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