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经营范围
发明名称
DIGITAL ALARM CLOCK
摘要
申请公布号
GB2038046(A)
申请公布日期
1980.07.16
申请号
GB19790043899
申请日期
1979.12.20
申请人
SEIKO KOKI KK
发明人
分类号
G04B23/04;G04B19/20;G04B23/02;G04C21/16;G04C21/36;G04C23/08;G04C23/14;(IPC1-7):G04C21/30
主分类号
G04B23/04
代理机构
代理人
主权项
地址
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