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发明名称
Electrical furnace
摘要
申请公布号
US1830686(A)
申请公布日期
1931.11.03
申请号
US19290333501
申请日期
1929.01.18
申请人
HUGHES TOOL COMPANY
发明人
WOODS GORHAM W.
分类号
F27D11/02;H05B7/22
主分类号
F27D11/02
代理机构
代理人
主权项
地址
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