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发明名称
Improvements relating to the manufacture of substituted ammonium thiocyanates
摘要
申请公布号
GB630861(A)
申请公布日期
1949.10.24
申请号
GB19460020642
申请日期
1946.07.10
申请人
KOPPERS COMPANY, INC.
发明人
分类号
主分类号
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代理人
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