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经营范围
发明名称
DIGITAL CLOCK
摘要
申请公布号
SU566229(A1)
申请公布日期
1977.07.25
申请号
SU19762335822
申请日期
1976.03.22
申请人
PRAVIKOV NIKOLAJ A,SU;SUVOROVA SVETLANA V,SU;KOTOVA LIDIYA G,SU
发明人
PRAVIKOV NIKOLAJ A,SU;SUVOROVA SVETLANA V,SU;KOTOVA LIDIYA G,SU
分类号
G04B19/20;(IPC1-7):G04B19/20
主分类号
G04B19/20
代理机构
代理人
主权项
地址
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