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经营范围
发明名称
Coin detector
摘要
申请公布号
US2044824(A)
申请公布日期
1936.06.23
申请号
US19350043102
申请日期
1935.10.01
申请人
MARY WILLIS
发明人
WILLIS JOHN J.
分类号
G07D5/08
主分类号
G07D5/08
代理机构
代理人
主权项
地址
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