GOST R 51897-2021

Wheelchair seating. Part 1. Vocabulary, reference axis convention and measures for body segments, posture and postural support surfaces

Wire. Reverse torsion test

Plain bearing metal bushes. Types and basic dimensions

Microbiology of food and animal feed. Preparation of test samples, initial suspension and decimal dilutions for microbiological examination. Part 6. Specific rules for the preparation of samples taken at the primary production stage

Cheese and processed cheese products. Determination of total phosphorus content. Molecular absorption spectrometric method

High-pressure sodium vapour lamps. Performance requirements