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发明名称
Decolorization of still residue
摘要
申请公布号
US2183830(A)
申请公布日期
1939.12.19
申请号
US19380225986
申请日期
1938.08.20
申请人
PENNSYLVANIA INDUSTRIAL CHEMICAL CORPORATION
发明人
BURROUGHS SAMUEL G.
分类号
C08J3/00
主分类号
C08J3/00
代理机构
代理人
主权项
地址
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