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发明名称
Improvements in coin-freed vending machines
摘要
申请公布号
GB503209(A)
申请公布日期
1939.04.03
申请号
GB19370026706
申请日期
1937.10.02
申请人
MAATSCHAPPIJ VAN BERKEL'S PATENT N.V.
发明人
分类号
G07F11/12
主分类号
G07F11/12
代理机构
代理人
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地址
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