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发明名称
Method and apparatus for purifying selenium and similar semi-conductive substances
摘要
申请公布号
GB664030(A)
申请公布日期
1951.01.02
申请号
GB19490027946
申请日期
1949.11.01
申请人
COMPAGNIE DES FREINS & SIGNAUX WESTINGHOUSE
发明人
分类号
C01B19/02
主分类号
C01B19/02
代理机构
代理人
主权项
地址
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