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发明名称
Freitragender keramischer Deckel fuer Lichtbogenstahlschmelzoefen
摘要
申请公布号
DE1433447(A1)
申请公布日期
1968.11.21
申请号
DE19641433447
申请日期
1964.07.11
申请人
FRIEDRICH KRUPP GMBH
发明人
SIXEL,GUSTAV-ADOLF
分类号
F27D1/18;F27D3/18
主分类号
F27D1/18
代理机构
代理人
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地址
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