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发明名称
Sound recording and record vending machine
摘要
申请公布号
US1858396(A)
申请公布日期
1932.05.17
申请号
US19290376659
申请日期
1929.07.08
申请人
EDMUND FEY
发明人
FEY EDMUND
分类号
G07F17/30
主分类号
G07F17/30
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代理人
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