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发明名称
METHOD FOR MANUFACTURING BORIUM CARBIDE POWDER
摘要
申请公布号
PL155663(B1)
申请公布日期
1991.12.31
申请号
PL19880273395
申请日期
1988.06.28
申请人
发明人
分类号
C01B;C01B31/36;(IPC1-7):C01B31/36
主分类号
C01B
代理机构
代理人
主权项
地址
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