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发明名称
METHOD FOR EXCHANGING SUBMERGED TUBE IN RH FURNACE
摘要
申请公布号
JPH0361314(A)
申请公布日期
1991.03.18
申请号
JP19890197641
申请日期
1989.07.29
申请人
NISSHIN STEEL CO LTD;KAWAMOTO CHIKURO KOGYOSHO:KK;KUCHIKU KOGYO KK
发明人
KOYAGO KEITA;FUJII KOICHIRO;TSURUHARA YOSHINORI;KAWAMOTO SHIGEO;SHIROOKA NORIO;HIGASHIJIMA YASUHIRO;YAMAGUCHI HIROBUMI
分类号
C21C7/10
主分类号
C21C7/10
代理机构
代理人
主权项
地址
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