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经营范围
发明名称
Pyrolyse d'hydrocarbures
摘要
申请公布号
FR1111181(A)
申请公布日期
1956.02.23
申请号
FRD1111181
申请日期
1954.08.26
申请人
COLUMBIAN CARBON COMPANY
发明人
分类号
C09C1/54
主分类号
C09C1/54
代理机构
代理人
主权项
地址
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