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发明名称
Verfahren zur Herstellung von Pech aus Erdoelkohlenwasserstoffen
摘要
申请公布号
DE1645736(A1)
申请公布日期
1970.07.16
申请号
DE19671645736
申请日期
1967.10.12
申请人
ESSO RESEARCH AND ENGINEERING CO.
发明人
F. KING,LAURENCE
分类号
C10C3/06;C10G7/00
主分类号
C10C3/06
代理机构
代理人
主权项
地址
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