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发明名称
Manufacture of ammonium sulphate
摘要
申请公布号
US2067899(A)
申请公布日期
1937.01.19
申请号
US19320587630
申请日期
1932.01.20
申请人
KOPPERS COMPANY
发明人
BRAGG GILBERT A.
分类号
C01C1/247
主分类号
C01C1/247
代理机构
代理人
主权项
地址
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