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经营范围
发明名称
Improvements in stoppers for ladles and the like
摘要
申请公布号
GB1094715(A)
申请公布日期
1967.12.13
申请号
GB19650004211
申请日期
1965.02.01
申请人
UNION CARBIDE CANADA LIMITED
发明人
分类号
B22D41/16;F27D3/15
主分类号
B22D41/16
代理机构
代理人
主权项
地址
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