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发明名称
Furnace for heating scrap metal
摘要
申请公布号
US3336020(A)
申请公布日期
1967.08.15
申请号
US19640405932
申请日期
1964.10.23
申请人
KOPPERS COMPANY, INC.
发明人
PALSAK ANDREW M.
分类号
C21C5/56
主分类号
C21C5/56
代理机构
代理人
主权项
地址
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