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发明名称
Schlackenschutzform fuer Hochoefen
摘要
申请公布号
DE750583(C)
申请公布日期
1945.01.19
申请号
DED750583D
申请日期
1941.10.05
申请人
发明人
分类号
C21B7/16
主分类号
C21B7/16
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代理人
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