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发明名称
MANUFACTURE OF CARBON BLACK
摘要
申请公布号
CA531430(A)
申请公布日期
1956.10.09
申请号
CAD531430
申请日期
申请人
COLUMBIAN CARBON COMPANY
发明人
CARL W. SWEITZER
分类号
主分类号
代理机构
代理人
主权项
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