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发明名称
MANUFACTURE OF SILICON OR FERROSILICON
摘要
申请公布号
JPS5663814(A)
申请公布日期
1981.05.30
申请号
JP19800147660
申请日期
1980.10.23
申请人
KEMA NORD AB
发明人
TOOMASU YOHANSON
分类号
C22C33/04;C01B33/02;C01B33/025;C22C35/00
主分类号
C22C33/04
代理机构
代理人
主权项
地址
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