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经营范围
发明名称
Improvements in electric clocks
摘要
申请公布号
GB746408(A)
申请公布日期
1956.03.14
申请号
GB19540002692
申请日期
1954.01.29
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
G04C3/06
主分类号
G04C3/06
代理机构
代理人
主权项
地址
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