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发明名称
A METHOD OF PRODUCING GAS PERMEABLE CORKS FOR CONTINUOUS REFINING ALUMINIUM
摘要
申请公布号
PL102135(B1)
申请公布日期
1979.03.31
申请号
PL19760186620
申请日期
1976.01.17
申请人
发明人
分类号
C04B35/48;(IPC1-7):C04B35/48
主分类号
C04B35/48
代理机构
代理人
主权项
地址
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