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发明名称
SILICON NITRIDE TYPE SINTERED BODY AND PROCESS FOR ITS PRODUCTION
摘要
申请公布号
EP0377758(A4)
申请公布日期
1991.09.11
申请号
EP19890908262
申请日期
1989.07.07
申请人
NIPPON TUNGSTEN CO., LTD.
发明人
FURUKAWA, MITSUHIKO NIPPON TUNGSTEN CO., LTD.;SHIROYAMA, MASAHARU NIPPON TUNGSTEN CO., LTD.;NAGANO, MITSUYOSHI NIPPON TUNGSTEN CO., LTD.;TAKANO, YASUMI NIPPON TUNGSTEN CO., LTD.
分类号
C04B35/584;C04B35/593;C04B35/599;(IPC1-7):C04B35/58
主分类号
C04B35/584
代理机构
代理人
主权项
地址
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