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发明名称
Clock with date indicator
摘要
申请公布号
GB957031(A)
申请公布日期
1964.05.06
申请号
GB19630000801
申请日期
1963.01.08
申请人
KARL DIEHL, DIPL. ING.
发明人
分类号
G04B19/253
主分类号
G04B19/253
代理机构
代理人
主权项
地址
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