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发明名称
SISTEMA DE RETIFICACAO CRIOGENICO PARA PRODUZIR OXIGENIO DE ALTA PUREZA
摘要
申请公布号
BR9203954(A)
申请公布日期
1993.04.27
申请号
BR19929203954
申请日期
1992.10.09
申请人
PRAXAIR TECHNOLOGY INC.
发明人
DAVID ROSS PARSNICK;JAMES ROBERT DRAY
分类号
C01B13/02;F25J3/04
主分类号
C01B13/02
代理机构
代理人
主权项
地址
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