 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Air intake/exhaust system |
| English Title: | Reciprocating internal combustion engines—Measurement of sound power levels using sound pressure—Part 4:Survey method using a reference sound source |
| Chinese Title: | 往复式内燃机 声压法声功率级的测定 第4部分：使用标准声源简易法 |
| Standard No.: | GB/T 1859.4-2017 |
| Category No.: | J93 |
| Issued by: | MOHURD and AQSIQ |
| Issued on: | 2017-05-12 |
| Implemented on: | 2017-12-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 10500 words |
| Similar Standards: | GB 2784-1981 GB/T 23337-2023 GB/T 41161-2022 GB/T 33928-2017 GB/T 1859.4-2017 GB/T 1859.1-2015 GB/T 1859.3-2015 JB/T 11880.4-2014 JB/T 11880.5-2014 JB/T 12084-2014 JB/T 5137-2014 JB/T 11880.6-2014 JB/T 11880.7-2014 JB/T 11880.2-2014 JB/T 12083-2014 JB/T 11880.3-2014 JB/T 11880.1-2014 JB/T 11789-2014 JB/T 11788.1-2014 JB/T 8415-2011 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |