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发明名称
IMPROVED PROCESS FOR BUILDING TUNNEL-TYPE FURNACES WITH A FLAT VAULT
摘要
申请公布号
PT64781(A)
申请公布日期
1976.03.01
申请号
PT19760064781
申请日期
1976.02.06
申请人
STUDICERAM
发明人
分类号
F27B9/00;F27B9/32;F27D1/02;(IPC1-7):F27B9/30
主分类号
F27B9/00
代理机构
代理人
主权项
地址
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