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经营范围
发明名称
Exothermic alloy addition agent
摘要
申请公布号
GB764763(A)
申请公布日期
1957.01.02
申请号
GB19550008924
申请日期
1955.03.28
申请人
UNION CARBIDE LIMITED
发明人
分类号
C21C7/06;C22B5/04;C22B5/06
主分类号
C21C7/06
代理机构
代理人
主权项
地址
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