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发明名称
Improvements relating to the prepayment mechanisms of meters
摘要
申请公布号
GB568581(A)
申请公布日期
1945.04.11
申请号
GB19430010892
申请日期
1943.07.05
申请人
BEGWACO LIMITED;EDWARD BUTTERWORTH
发明人
分类号
G07F15/02
主分类号
G07F15/02
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代理人
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