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发明名称
DEVICE FOR SEALING FURNACE OPENING PART IN CONVERTER
摘要
申请公布号
JPH02185912(A)
申请公布日期
1990.07.20
申请号
JP19890005365
申请日期
1989.01.12
申请人
SUMITOMO METAL IND LTD
发明人
NOSHITA SHIGETOMI
分类号
C21C5/40
主分类号
C21C5/40
代理机构
代理人
主权项
地址
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