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发明名称
DUAL ELECTRIC FURNACE FACILITY
摘要
申请公布号
US3612739(A)
申请公布日期
1971.10.12
申请号
USD3612739
申请日期
1970.02.05
申请人
SIMON M. KORNEFF
发明人
SIMON M. KORNEFF
分类号
C21C5/52;F27D11/00;(IPC1-7):F27D11/10
主分类号
C21C5/52
代理机构
代理人
主权项
地址
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