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发明名称
Process for the production of ammonium sulphate
摘要
申请公布号
US1957265(A)
申请公布日期
1934.05.01
申请号
US19310547976
申请日期
1931.06.30
申请人
THE KOPPERS COMPANY
发明人
HANSEN CHRISTIAN JOHANNES
分类号
C01C1/246
主分类号
C01C1/246
代理机构
代理人
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地址
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