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发明名称
Manufacture of carbon black
摘要
申请公布号
US2618533(A)
申请公布日期
1952.11.18
申请号
US19480040093
申请日期
1948.07.22
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
BILLS JOHN L.;MCKINNIS ART C.
分类号
C09C1/48;C09C1/50
主分类号
C09C1/48
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代理人
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