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经营范围
发明名称
Apparatus for separating genuine from spurious coins
摘要
申请公布号
US2315174(A)
申请公布日期
1943.03.30
申请号
US19370142743
申请日期
1937.05.15
申请人
N. MARSHALL SEEBURG
发明人
WALLIN FRED E. A.
分类号
主分类号
代理机构
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