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经营范围
发明名称
Prevention of formation of colors in thiocyanates
摘要
申请公布号
US2404576(A)
申请公布日期
1946.07.23
申请号
US19440531644
申请日期
1944.04.18
申请人
KOPPERS COMPANY, INCORPORATED
发明人
HILL WILLIAM H.;VELTMAN JAMES H. F.
分类号
C01C3/20
主分类号
C01C3/20
代理机构
代理人
主权项
地址
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