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发明名称
Carbon black
摘要
申请公布号
US2813009(A)
申请公布日期
1957.11.12
申请号
US19520276640
申请日期
1952.03.14
申请人
COLUMBIAN CARBON COMPANY
发明人
EKHOLM WESLEY C.;HELLER GEORGE L.
分类号
C09C1/50
主分类号
C09C1/50
代理机构
代理人
主权项
地址
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