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发明名称
Improvements in and relating to change-speed devices, especially applicable to price-changing in coin-freed prepayment apparatus
摘要
申请公布号
GB452594(A)
申请公布日期
1936.08.26
申请号
GB19350007581
申请日期
1935.03.11
申请人
BRITISH ELECTRIC METERS, LIMITED;REGINALD TUNSTALL BROWN
发明人
分类号
G07F15/08
主分类号
G07F15/08
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