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发明名称
Method of making a slag-forming agent
摘要
申请公布号
US2620267(A)
申请公布日期
1952.12.02
申请号
US19490072087
申请日期
1949.01.21
申请人
KERN FREDERICK E
发明人
KERN FREDERICK E.
分类号
C21C7/076
主分类号
C21C7/076
代理机构
代理人
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