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发明名称
Process for separating sulphur from tar
摘要
申请公布号
US2343591(A)
申请公布日期
1944.03.07
申请号
US19410416917
申请日期
1941.10.28
申请人
F. W. BERK AND COMPANY LIMITED
发明人
SYERS ROLAND
分类号
C01B17/033
主分类号
C01B17/033
代理机构
代理人
主权项
地址
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