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发明名称
Perfectionnements dans l'extraction du krypton et du xénon de l'air
摘要
申请公布号
FR675129(A)
申请公布日期
1930.02.06
申请号
FRD675129
申请日期
1928.10.08
申请人
L'AIR LIQUIDE
发明人
分类号
F25J3/04
主分类号
F25J3/04
代理机构
代理人
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