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经营范围
发明名称
CARBOTHERMIC PRODUCTION OF FERROBORON
摘要
申请公布号
GB8505226(D0)
申请公布日期
1985.04.03
申请号
GB19850005226
申请日期
1985.02.28
申请人
GFE MBH
发明人
分类号
C21B15/02;C22C33/00;C22C33/04;C22C35/00
主分类号
C21B15/02
代理机构
代理人
主权项
地址
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