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经营范围
发明名称
AQUEOUS CARBON BLACK PREPARATION
摘要
申请公布号
GB1506464(A)
申请公布日期
1978.04.05
申请号
GB19750022183
申请日期
1975.05.22
申请人
DEGUSSA
发明人
分类号
C04B28/02;(IPC1-7):C09C1/48;C04B27/00
主分类号
C04B28/02
代理机构
代理人
主权项
地址
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