Petroleum and related products—Precision of measurement methods and results—Part 4: Use of statistical control charts to validate ""in-statistical-control"" status for the execution of a test method standard in a single laboratory
NORMA vydaná dňa 31.3.2026
Designation standards: GB/T 6683.4-2026
Note: K dispozici od: říjen 2026
Publication date standards: 31.3.2026
Country: Chinese technical standard
Kategória: Technické normy GB