gb+t+20975.4
gb+t+20975.4, Total:7 items.
The international standard classification for "gb+t+20975.4" includes: Aluminium and aluminium alloys , Electrical engineering in general , Safety of machinery .
The Chinese standard classification for "gb+t+20975.4" includes: Light metals and their alloys analysis method , Basic standards and general methods , Hygiene, safety and labor protection .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 4：Determination of iron content Orthopenanthroline photometric method
- GB/Z 37839-2019 Information model covering the contents of GB/T 5094.1 and GB/T 5094.2,GB/T 16679, GB/T 18656 and GB/T 16901.3
- GB/T 20295-2006 Application of GB/T4728.12 and GB/T4728.13 standards
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content
- GB/T 35081-2018 Safety of machinery—Relationship of GB/T 16855.1 to GB/T 15706
未注明发布机构
CN-STDBOOK
- 图书 3-9486 Interpretation of GB/T 32862-2016, GB/T 32863-2016, GB/T 34543-2017, GB/T 34545-2017 Gem Grading National Standards
