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发明名称
Improvements in dense non-metallic articles
摘要
申请公布号
GB499767(A)
申请公布日期
1939.01.27
申请号
GB19370020816
申请日期
1937.07.27
申请人
THE CARBORUNDUM COMPANY
发明人
分类号
C04B35/563
主分类号
C04B35/563
代理机构
代理人
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