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发明名称
PREHEATLNG OF STOPPER FOR LADLE
摘要
申请公布号
JPS53115622(A)
申请公布日期
1978.10.09
申请号
JP19770029995
申请日期
1977.03.18
申请人
NIPPON STEEL CORP
发明人
OOTA SUEICHI;SUGAWARA TAKESHI;KANNO AKIRA
分类号
B22D11/10;B22D35/06;B22D41/16
主分类号
B22D11/10
代理机构
代理人
主权项
地址
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