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经营范围
发明名称
Improvements in or relating to time recording devices
摘要
申请公布号
GB687579(A)
申请公布日期
1953.02.18
申请号
GB19500006329
申请日期
1950.03.14
申请人
ASSOCIATED INDUSTRIAL CONSULTANTS LIMITED
发明人
WACE PERCY ROBERT
分类号
G07C1/02
主分类号
G07C1/02
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代理人
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