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经营范围
发明名称
Improvements relating to electric clocks
摘要
申请公布号
GB444243(A)
申请公布日期
1936.03.12
申请号
GB19340026192
申请日期
1934.09.12
申请人
AUGUST CHARLES KRAUSE
发明人
分类号
G04C3/027
主分类号
G04C3/027
代理机构
代理人
主权项
地址
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