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经营范围
发明名称
Gold recovery device
摘要
申请公布号
US2064234(A)
申请公布日期
1936.12.15
申请号
US19350039598
申请日期
1935.09.07
申请人
ALBERT TRAYMAN
发明人
TRAYMAN ALBERT
分类号
C22B11/02
主分类号
C22B11/02
代理机构
代理人
主权项
地址
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