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经营范围
发明名称
Treatment of furnace blacks
摘要
申请公布号
US2641535(A)
申请公布日期
1953.06.09
申请号
US19490087473
申请日期
1949.04.14
申请人
PHILLIPS PETROLEUM COMPANY
发明人
CINES MARTIN R.
分类号
C09C1/56
主分类号
C09C1/56
代理机构
代理人
主权项
地址
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