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发明名称
ALPHA-SILICON NITRIDE POWDER AND PRODUCTION THEREOF
摘要
申请公布号
JPS6483505(A)
申请公布日期
1989.03.29
申请号
JP19870238671
申请日期
1987.09.25
申请人
DENKI KAGAKU KOGYO KK
发明人
NAKAMURA YOSHIYUKI;NAKAJIMA MASAHIKO
分类号
C01B21/068
主分类号
C01B21/068
代理机构
代理人
主权项
地址
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