
Test methods for physical properties of rare earth metals and their compounds—Part 1: Determination of particle size distribution of rare earth compounds—Laser diffraction method
NORMA vydána dne 25.5.2026
Designation standards: GB/T 20170.1-2026
Note: K dispozici od: prosinec 2026
Publication date standards: 25.5.2026
Country: Chinese technical standard
Kategorie: Technické normy GB