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发明名称
OXYGEN-DEFICIENT MAGNETITE
摘要
申请公布号
JPH03285828(A)
申请公布日期
1991.12.17
申请号
JP19900085787
申请日期
1990.03.30
申请人
ISEKI & CO LTD;ARUFUA KURESUTO:KK
发明人
TAMAURA YUTAKA;SHUDO NORIO
分类号
C01G49/08
主分类号
C01G49/08
代理机构
代理人
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