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经营范围
发明名称
Silicon nitride powder having a low oxygen content
摘要
申请公布号
EP0358975(B1)
申请公布日期
1998.11.04
申请号
EP19890115212
申请日期
1989.08.18
申请人
BAYER AG
发明人
PITZER, ULRIKE, DR.;LAUBACH, BENNO, DR.;FRANZ, GERHARD, DR.
分类号
C01B21/068;(IPC1-7):C01B21/068
主分类号
C01B21/068
代理机构
代理人
主权项
地址
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