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发明名称
APARATO PARA FABRICAR NEGRO DE CARBON
摘要
申请公布号
ES312847(A3)
申请公布日期
1965.07.16
申请号
ES19470003128
申请日期
1965.05.12
申请人
CONTINENTAL CARBON COMPANY
发明人
分类号
C09C;(IPC1-7):C09C
主分类号
C09C
代理机构
代理人
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