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经营范围
发明名称
Process of forming and purifying zinc chloride
摘要
申请公布号
US1789299(A)
申请公布日期
1931.01.20
申请号
US19270217005
申请日期
1927.09.01
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
BETTERTON JESSE O.
分类号
C01G9/04
主分类号
C01G9/04
代理机构
代理人
主权项
地址
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