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经营范围
发明名称
HIGH STRENGTH SILICON NITRIDE
摘要
申请公布号
EP0400090(B1)
申请公布日期
1993.01.13
申请号
EP19890904389
申请日期
1989.03.03
申请人
ALLIED-SIGNAL INC.
发明人
YEH, HUN, C.
分类号
C04B35/584;C04B35/593
主分类号
C04B35/584
代理机构
代理人
主权项
地址
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