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Chinese National Standard Category: Vacuum technique and equipment

English Title: Positive-displacement vacuum pumps - Measurement of performance characteristics - Part 2: Measurement of ultimate pressure
Chinese Title: 容积真空泵性能测量方法 第2部分: 极限压力的测量
Standard No.: GB/T 19956.2-2005
Category No.: J78
Issued by: AQSIQ, SAC
Issued on: 2005-9-19
Implemented on: 2006-4-1
Status: abolished
Superseded by:
Superseded on:
Abolished on:2024-03-28
Superseding:JB/T 7266-1994
Word Count:1500 words
Similar Standards: T/CGMA 0602-2021   GB 7772-1987   T/CGMA 0603-2021   GB/T 16709-1996   GB/T 6071.2-1985   GB/Z 42625-2023   GB/T 40344.2-2021   GB/T 40344.1-2021   GB/T 40333-2021   GB/T 35049-2018   GB/T 33638-2017   GB/T 33633-2017   GB/T 25753.4-2015   GB/T 32218-2015   GB/T 32221-2015   GB/T 32293-2015   JB/T 12585-2016   GB/T 28786-2012   JB/T 11283-2012   JB/T 11282-2012  
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