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经营范围
发明名称
A process for the isolation of 4.4-dihydroxy diphenyl sulphone from mixtures thereof with the isomeric 2.4-dihydroxy diphenyl sulphone
摘要
申请公布号
GB915768(A)
申请公布日期
1963.01.16
申请号
GB19600035082
申请日期
1960.10.13
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
分类号
C07C315/06;C07C317/22
主分类号
C07C315/06
代理机构
代理人
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