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经营范围
发明名称
Process of treating mixtures of alkali stannates, arsenates, and antimonates
摘要
申请公布号
US1747709(A)
申请公布日期
1930.02.18
申请号
US19270173220
申请日期
1927.03.05
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
HALL ARTHUR E.
分类号
C01G28/02
主分类号
C01G28/02
代理机构
代理人
主权项
地址
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