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发明名称
DRY PROCESS FOR THE PRODUCTION OF HEXAGONAL-SYSTEM FERRITE
摘要
申请公布号
GB2051772(A)
申请公布日期
1981.01.21
申请号
GB19800018762
申请日期
1980.06.09
申请人
DOWA MINING CO LTD
发明人
分类号
C01G49/00;C04B35/26;H01F1/11;(IPC1-7):C04B35/26
主分类号
C01G49/00
代理机构
代理人
主权项
地址
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