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经营范围
发明名称
Purification of gases
摘要
申请公布号
GB797994(A)
申请公布日期
1958.07.09
申请号
GB19550029190
申请日期
1955.10.13
申请人
THE BRITISH OXYGEN COMPANY LIMITED
发明人
SZATKOWSKI WITOLD
分类号
B01D53/46;C07C7/148;C07C7/17;C10H21/00
主分类号
B01D53/46
代理机构
代理人
主权项
地址
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