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发明名称
PROCEDEU DE OBTINERE A CONCENTRATULUI DE OXIZI DE MANGAN PENTRU UZ ELECTROTEHNIC
摘要
申请公布号
RO87050(A2)
申请公布日期
1985.05.20
申请号
RO19830110939
申请日期
1983.05.13
申请人
VASILE IOAN,RO;MIHAIL CLARA L.,RO;CIMPEANU IOAN,RO
发明人
VASILE IOAN,RO;MIHAIL CLARA L.,RO;CIMPEANU IOAN,RO
分类号
B03B7/00;(IPC1-7):B03B7/00
主分类号
B03B7/00
代理机构
代理人
主权项
地址
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