专利名称：Process and installation for rapidly creating
a high vacuum using a single stage liquid ringpump
发明人：Pierre R. Laguilharre申请号：US06/347430申请日：19820210公开号：US04505645A公开日：19850319
摘要：An installation for rapidly obtaining a high vacuum, comprising two compressionstages, the first of which is a liquid ring vacuum pump, characterized in that means areprovided for instantaneously coupling or dissociating the first stage and the secondstage. The invention concerns also a process intended to be used in said installation.
申请人：LAGUILHARRE; PIERRE R.
代理人：Warren B. Kice
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