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发明名称
SILICON NITRIDE
摘要
申请公布号
GB1590968(A)
申请公布日期
1981.06.10
申请号
GB19770053612
申请日期
1977.12.22
申请人
GEC US
发明人
分类号
C04B35/584;C04B35/593;H01B3/12;(IPC1-7):B22F3/00
主分类号
C04B35/584
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代理人
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