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发明名称
Method for manufacturing of a silicon nitride sintered body and cutting insert formed of the sintered body
摘要
申请公布号
EP0926110(B1)
申请公布日期
2002.04.24
申请号
EP19980310572
申请日期
1998.12.22
申请人
NGK SPARK PLUG CO. LTD.
发明人
MATSUBARA, MASARU
分类号
C04B35/593;(IPC1-7):C04B35/593;B23B27/14
主分类号
C04B35/593
代理机构
代理人
主权项
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