Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
Chinese National Standard Category: Ultrasonic wave and sound radiation defectoscope |
English Title: | Non-destructive testing instruments—Ultrasonic time-of-flight diffraction instrument—Methods of performance tests |
Chinese Title: | 无损检测仪器 超声衍射声时检测仪 性能测试方法 |
Standard No.: | GB/T 39849-2021 |
Category No.: | N77 |
Issued by: | SAMR, SAC |
Issued on: | 2021-03-09 |
Implemented on: | 2022-4-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 7500 words |
Similar Standards: | TB/T 2340-2000 GB/T 42399.3-2023 GB/T 42399.2-2023 GB/T 42399.1-2023 GB/T 40023-2021 GB/T 39849-2021 DB37/T 4360-2021 DB37/T 3143-2018 DB37/T 3142-2018 GB/T 33889-2017 GB/T 33888-2017 GB/T 28880-2012 JB/T 11276-2012 JB/T 11279-2012 JB/T 11277-2012 JB/T 7411-2012 GB/T 27664.3-2012 GB/T 27664.1-2011 GB/T 27664.2-2011 GB/T 27669-2011 |
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
Copyright: Foryou Tech Co., Ltd. 2008-2020 |