 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Ground test equipment |
| English Title: | Test methods for leaks using the helium mass spectrometer leak detector in the inside-out testing mode |
| Chinese Title: | 氦质谱仪背压检漏方法 |
| Standard No.: | QJ 3212-2005 |
| Category No.: | V81 |
| Issued by: | 0 |
| Issued on: | 2005-4-11 |
| Implemented on: | 2005-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 5000 words |
| Similar Standards: | QJ 2250A-2008 QJ 3212-2005 QJ 2687A-2004 QJ A 2687-2004 QJ 2801-1996 QJ 2652-1994 QJ 1517-1988 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |