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发明名称
Improvements in or relating to the manufacture of refractory articles
摘要
申请公布号
GB315856(A)
申请公布日期
1930.07.03
申请号
GB19290017569
申请日期
1929.06.07
申请人
HARTFORD-EMPIRE COMPANY
发明人
分类号
C04B33/22;C04B35/18
主分类号
C04B33/22
代理机构
代理人
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