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经营范围
发明名称
METALLURGICAL PROCESS
摘要
申请公布号
GB1412646(A)
申请公布日期
1975.11.05
申请号
GB19720046265
申请日期
1972.10.06
申请人
ELKEM SPIGERVERKET AS
发明人
分类号
B01J2/28;C04B35/03;C04B35/06;C04B35/622;C21B3/06;(IPC1-7):C21C7/02
主分类号
B01J2/28
代理机构
代理人
主权项
地址
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