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发明名称
Coin testing device
摘要
申请公布号
US2148291(A)
申请公布日期
1939.02.21
申请号
US19360093643
申请日期
1936.07.31
申请人
EASON ERNEST O
发明人
EASON ERNEST O.
分类号
G07D5/00
主分类号
G07D5/00
代理机构
代理人
主权项
地址
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