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经营范围
发明名称
Improvements in or relating to the separation of air
摘要
申请公布号
GB632329(A)
申请公布日期
1949.11.21
申请号
GB19470012976
申请日期
1947.05.14
申请人
THE BRITISH OXYGEN COMPANY LIMITED;PAUL MORRIS SCHUFTAN;NEVILLE WYN ROBERTS
发明人
分类号
F25J5/00
主分类号
F25J5/00
代理机构
代理人
主权项
地址
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