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发明名称
Improvement in process of producing carbon black from oil refinery residues
摘要
申请公布号
GB340482(A)
申请公布日期
1930.12.19
申请号
GB19290028422
申请日期
1929.09.19
申请人
THOMAS CARBON BLACK COMPANY
发明人
分类号
C09C1/52
主分类号
C09C1/52
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