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发明名称
Time-indicating device
摘要
申请公布号
CH630218(A)
申请公布日期
1982.06.15
申请号
CH19770004143
申请日期
1977.04.01
申请人
发明人
分类号
G04B19/26
主分类号
G04B19/26
代理机构
代理人
主权项
地址
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