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经营范围
发明名称
Amalgamator and concentrator
摘要
申请公布号
US2244429(A)
申请公布日期
1941.06.03
申请号
US19400332133
申请日期
1940.04.29
申请人
OVERTON CLARENCE D
发明人
OVERTON CLARENCE D.
分类号
C22B11/10
主分类号
C22B11/10
代理机构
代理人
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