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发明名称
A coin-operated device for controlling the use of electric devices
摘要
申请公布号
GB968074(A)
申请公布日期
1964.08.26
申请号
GB19630032997
申请日期
1963.08.21
申请人
HENRY HOPKINS
发明人
分类号
G07F15/12
主分类号
G07F15/12
代理机构
代理人
主权项
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