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经营范围
发明名称
Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone
摘要
申请公布号
EP0823606(A2)
申请公布日期
1998.02.11
申请号
EP19970305846
申请日期
1997.08.01
申请人
AIR PRODUCTS AND CHEMICALS, INC.
发明人
FIDKOWSKI, ZBIGNIEW TADEUSZ;AGRAWAL, RAKESH
分类号
F25J3/04;(IPC1-7):F25J3/04
主分类号
F25J3/04
代理机构
代理人
主权项
地址
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