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发明名称
POROUS SILICON OXYNITRIDE REFRACTORY BODIES
摘要
申请公布号
GB1560528(A)
申请公布日期
1980.02.06
申请号
GB19760030538
申请日期
1976.07.22
申请人
NORTON CO
发明人
分类号
C04B38/00;B22D1/00;C04B35/58;C04B35/591;C22B21/06;(IPC1-7):C01B21/06
主分类号
C04B38/00
代理机构
代理人
主权项
地址
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