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发明名称
RING BLOCK REFRACTORY AROUND CEILING ELECTRODE OF ELECTRICAL FURNACE
摘要
申请公布号
JPH08136139(A)
申请公布日期
1996.05.31
申请号
JP19940301480
申请日期
1994.11.09
申请人
YOOTAI:KK
发明人
NITTA MINORU
分类号
F27B3/08;F27B3/16;F27D1/04;(IPC1-7):F27B3/08
主分类号
F27B3/08
代理机构
代理人
主权项
地址
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