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经营范围
发明名称
Amalgamating and concentrating apparatus
摘要
申请公布号
US1988720(A)
申请公布日期
1935.01.22
申请号
US19290340754
申请日期
1929.02.18
申请人
THE COYLE MINERAL EXTRACTION CORPORATION
发明人
COYLE ROBERT M.
分类号
C22B11/10
主分类号
C22B11/10
代理机构
代理人
主权项
地址
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