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发明名称
PREPARATION PROCESS OF ACTIVE MANGANESE DIOXIDE OF HIGH PURITY
摘要
申请公布号
RO106871(B1)
申请公布日期
1993.07.30
申请号
RO19900146097
申请日期
1990.10.11
申请人
INSTITUTUL POLITEHNIC, IA¡I
发明人
SANDU ION;CALU NICOLAE;BERDAN IOAN;CALU MIHAI;BARSANESCU ADRIANA
分类号
C01G45/02;(IPC1-7):C01G45/02
主分类号
C01G45/02
代理机构
代理人
主权项
地址
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