METHOD OF SEALING AN ELECTRODE PASSAGE OPENING IN AN ARC FURNACE AND SHAPED REFRACTORY BRICK THEREFOR

申请公布号：PL332582(A1)

申请号：PL19990332582

申请日期：1999.04.15

申请公布日期：2000.10.23

申请人：

LENARTOWICZ JAN

分类号：F27B3/08;F27B3/16;(IPC1-7):F27B3/08

主分类号：F27B3/08

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