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发明名称
Improvements in and relating to coin-freed prepayment mechanism
摘要
申请公布号
GB494268(A)
申请公布日期
1938.10.24
申请号
GB19370011809
申请日期
1937.04.24
申请人
BRITISH ELECTRIC METERS, LIMITED;REGINALD TUNSTALL BROWN
发明人
分类号
G07F1/02
主分类号
G07F1/02
代理机构
代理人
主权项
地址
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