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发明名称
PURIFYING GASES
摘要
申请公布号
CA479930(A)
申请公布日期
1952.01.01
申请号
CAD479930
申请日期
申请人
HUMPHREYS AND GLASGOW LIMITED
发明人
WALTER FREDERICK THORNE
分类号
主分类号
代理机构
代理人
主权项
地址
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