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发明名称
Vending machine
摘要
申请公布号
US1890062(A)
申请公布日期
1932.12.06
申请号
US19310528024
申请日期
1931.04.06
申请人
MADDEN FRANK A
发明人
MADDEN FRANK A.
分类号
G07F13/10
主分类号
G07F13/10
代理机构
代理人
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