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发明名称
METHOD AND APPARATUS FOR PREHEATING METAL
摘要
申请公布号
GB1520770(A)
申请公布日期
1978.08.09
申请号
GB19750050456
申请日期
1975.12.09
申请人
WOOLWORTH H R
发明人
分类号
F27B3/26;F27D3/00;F27D13/00;F27D17/00;(IPC1-7):F27D13/00
主分类号
F27B3/26
代理机构
代理人
主权项
地址
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