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发明名称
Improvements in prepayment mechanism for meters
摘要
申请公布号
GB510978(A)
申请公布日期
1939.08.11
申请号
GB19380010448
申请日期
1938.04.05
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED;GEORGE TILSTONE;JOHN FRANCIS DONELLY
发明人
分类号
G07F1/00
主分类号
G07F1/00
代理机构
代理人
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