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发明名称
Improvements in coin-freed apparatus for providing amusement
摘要
申请公布号
GB388371(A)
申请公布日期
1933.02.17
申请号
GB19310023114
申请日期
1931.08.17
申请人
WILLIAM SMITH
发明人
分类号
G07F17/34
主分类号
G07F17/34
代理机构
代理人
主权项
地址
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