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发明名称
CARBONACEOUS PITCHES
摘要
申请公布号
GB2020310(A)
申请公布日期
1979.11.14
申请号
GB19790015349
申请日期
1979.05.03
申请人
EXXON RESEARCH & ENG CO
发明人
分类号
C01B31/00;C10C1/19;C10C3/00;C10C3/02;D01F9/145;D01F9/155;(IPC1-7):C10C3/00;C10C3/08
主分类号
C01B31/00
代理机构
代理人
主权项
地址
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