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guo chan ji xie beng gai zhuang wei ~3he jian ya beng de shi yan
Author(s): 
Pages: 11-12+7
Year: Issue:  1
Journal: Vacuum and Cryogenics

Keyword:  超低温技术真空装置;
Abstract: 国产2XZ—4型旋片式普通机械泵经改装后,漏气率在静止和运转两种情况下均小于10-5帕.升/秒.实验表明可以作为3He 制冷机的初级减压泵使用.
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