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经营范围
发明名称
Improvements in or relating to internal walls, ports and passages in furnaces
摘要
申请公布号
GB699800(A)
申请公布日期
1953.11.18
申请号
GB19500013282
申请日期
1950.05.26
申请人
PIETRO CIFERRI
发明人
分类号
F27B3/16
主分类号
F27B3/16
代理机构
代理人
主权项
地址
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