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发明名称
摘要
申请公布号
JPS6319587(B2)
申请公布日期
1988.04.23
申请号
JP19870036591
申请日期
1987.02.19
申请人
SUMITOMO SPEC METALS
发明人
UMEDA MASAKAZU
分类号
C03C27/02;C03C27/10;C22C38/00;C22C38/28
主分类号
C03C27/02
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