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发明名称
FURNACE FOR PRODUCING STEEL CONTINUOUSLY
摘要
申请公布号
US3554519(A)
申请公布日期
1971.01.12
申请号
USD3554519
申请日期
1968.09.09
申请人
UNITED STATES STEEL CORP.
发明人
WALTER L. KERLIE
分类号
C21C5/42;C21C5/56;(IPC1-7):C21C7/00
主分类号
C21C5/42
代理机构
代理人
主权项
地址
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