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发明名称
Improvements in drawer-release mechanism for coin-freed vending machines
摘要
申请公布号
GB354474(A)
申请公布日期
1931.08.13
申请号
GB19300018474
申请日期
1930.06.17
申请人
PERCY STEPHEN HARPER
发明人
分类号
G07F5/02
主分类号
G07F5/02
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代理人
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