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发明名称
POUDRE SOUS-MICRONIQUE DE BORURE DE METAL REFRACTAIRE ET PROCEDE POUR SA PREPARATION
摘要
申请公布号
FR2324590(A1)
申请公布日期
1977.04.15
申请号
FR19750029395
申请日期
1975.09.25
申请人
PPG INDUSTRIES
发明人
分类号
C01B35/04;C04B35/58;(IPC1-7):C04B35/58
主分类号
C01B35/04
代理机构
代理人
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