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经营范围
发明名称
Resistance furnace
摘要
申请公布号
US2640861(A)
申请公布日期
1953.06.02
申请号
US19500197684
申请日期
1950.11.27
申请人
THE HARSHAW CHEMICAL COMPANY
发明人
KREMERS HARRY C.
分类号
H05B3/62
主分类号
H05B3/62
代理机构
代理人
主权项
地址
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