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经营范围
发明名称
MANUFACTURE OF SILICON NITRIDE SINTERED BODY
摘要
申请公布号
JPS62113769(A)
申请公布日期
1987.05.25
申请号
JP19850255661
申请日期
1985.11.14
申请人
NGK SPARK PLUG CO LTD
发明人
YABUTA KATSUHISA;KITO TOMOHISA;HATTORI YOSHINORI
分类号
C04B35/584;C04B35/58
主分类号
C04B35/584
代理机构
代理人
主权项
地址
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