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发明名称
Method of removing impurities in semi-conductor materials
摘要
申请公布号
GB850313(A)
申请公布日期
1960.10.05
申请号
GB19570000203
申请日期
1957.01.02
申请人
PYE LIMITED
发明人
ROMAN GEORGE
分类号
C01B33/037;C30B13/00
主分类号
C01B33/037
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代理人
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