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经营范围
发明名称
Production of ferric oxide and other metal values from pyrites
摘要
申请公布号
US1980809(A)
申请公布日期
1934.11.13
申请号
US19280259317
申请日期
1928.03.05
申请人
ISAAC LEVY STANLEY
发明人
LEVY STANLEY ISAAC
分类号
C01G49/06
主分类号
C01G49/06
代理机构
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