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发明名称
NOVEL PROCESSES AND PRODUCTS INVOLVING YTTRIUM-ALKALINE EARTH-BISMUTH-COPPER OXIDES
摘要
申请公布号
EP0343455(A3)
申请公布日期
1990.10.17
申请号
EP19890108587
申请日期
1989.05.12
申请人
W.R. GRACE & CO.-CONN.
发明人
SPENCER, NICHOLAS DAVID
分类号
C04B35/00;C01G1/00;C01G3/00;C01G5/00;C01G7/00;C01G29/00;C04B35/45;H01B12/00;H01L39/12;H01L39/24;(IPC1-7):C04B35/00
主分类号
C04B35/00
代理机构
代理人
主权项
地址
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