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经营范围
发明名称
SILICON NITRIDE BASE SINTERED BODY
摘要
申请公布号
JPS62119165(A)
申请公布日期
1987.05.30
申请号
JP19850254784
申请日期
1985.11.15
申请人
HITACHI LTD
发明人
KANAI TSUNEYUKI;MITSUYOSHI TADAHIKO
分类号
C04B35/599;C04B35/58;C04B35/584
主分类号
C04B35/599
代理机构
代理人
主权项
地址
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