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发明名称
摘要
申请公布号
JPS5516102(B2)
申请公布日期
1980.04.28
申请号
JP19750016259
申请日期
1975.02.10
申请人
发明人
分类号
C04B35/00;C01G1/00;C04B35/26;H01F1/00
主分类号
C04B35/00
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