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发明名称
LADLE LOWER NOZZLE FOR CASTING MOLTEN STEEL HAVING HIGH CLEANLINESS
摘要
申请公布号
JPH05138338(A)
申请公布日期
1993.06.01
申请号
JP19910329820
申请日期
1991.11.19
申请人
NIPPON STEEL CORP;KUROSAKI REFRACT CO LTD
发明人
YAMAGUCHI KOICHI;TAKAHASHI HIROMI;KUDO KOICHI;NITAWAKI SOUICHIROU
分类号
B22D41/54
主分类号
B22D41/54
代理机构
代理人
主权项
地址
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