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发明名称
Improvements in prepayment time switches or meters
摘要
申请公布号
GB921516(A)
申请公布日期
1963.03.20
申请号
GB19590003374
申请日期
1959.01.30
申请人
UNITED GAS INDUSTRIES LIMITED
发明人
KING FREDERICK WILLIAM;MULFORD WILLIAM JAMES;HEWLETT STANLEY JAMES
分类号
G07F15/12
主分类号
G07F15/12
代理机构
代理人
主权项
地址
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