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发明名称
Steel melting furnace and process of manufacturing the same
摘要
申请公布号
US1849441(A)
申请公布日期
1932.03.15
申请号
US19280318550
申请日期
1928.11.10
申请人
ARTHUR SPRENGER
发明人
SPRENGER ARTHUR
分类号
F27D1/00
主分类号
F27D1/00
代理机构
代理人
主权项
地址
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