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经营范围
发明名称
PROCESS FOR THE PRODUCTION OF SILICON NITRIDE
摘要
申请公布号
GB9306802(D0)
申请公布日期
1993.05.26
申请号
GB19930006802
申请日期
1993.04.01
申请人
TIOXIDE SPECIALTIES LIMITED
发明人
分类号
C01B21/068
主分类号
C01B21/068
代理机构
代理人
主权项
地址
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