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经营范围
发明名称
Removable furnace refractory
摘要
申请公布号
US1957220(A)
申请公布日期
1934.05.01
申请号
US19300505866
申请日期
1930.12.31
申请人
GENERAL ELECTRIC COMPANY
发明人
MACCHI ALDO
分类号
F27D99/00
主分类号
F27D99/00
代理机构
代理人
主权项
地址
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