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经营范围
发明名称
Cast refractory block
摘要
申请公布号
US2285026(A)
申请公布日期
1942.06.02
申请号
US19390296311
申请日期
1939.09.23
申请人
CORHART REFRACTORIES COMPANY
发明人
FULCHER GORDON S.
分类号
E04B2/22
主分类号
E04B2/22
代理机构
代理人
主权项
地址
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