State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring relative humidity of gases
Wheelchair containment and occupant retention systems for accessible transport vehicles designed for use by both sitting and standing passengers. Part 1. Systems for rearward-facing wheelchair seated passengers
Gas supply system. Main pipeline transportation of gas. Safe for health of the person condition of staying and using of buildings and constructions. Vibration protection at workplaces. Technical requirements
