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发明名称
Manufacture of carbon black
摘要
申请公布号
US2139585(A)
申请公布日期
1938.12.06
申请号
US19350016970
申请日期
1935.04.18
申请人
COLUMBIAN CARBON COMPANY
发明人
HUNTER HOWARD J.
分类号
C09C1/60
主分类号
C09C1/60
代理机构
代理人
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