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发明名称
Coin testing
摘要
申请公布号
US1964966(A)
申请公布日期
1934.07.03
申请号
US19330678850
申请日期
1933.07.03
申请人
TROY DANIEL W
发明人
TROY DANIEL W.
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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