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经营范围
发明名称
CARBON BLACK PELLETING
摘要
申请公布号
US3636148(A)
申请公布日期
1972.01.18
申请号
USD3636148
申请日期
1969.08.07
申请人
PHILLIPS PETROLEUM CO.
发明人
JOHN E. SLAGEL
分类号
C09C1/58;(IPC1-7):B01J2/12
主分类号
C09C1/58
代理机构
代理人
主权项
地址
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