State system for ensuring the uniformity of measurements. Standard reference data. The critical temperatures and critical pressures of thermo unstable substances
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise. Part 2-1. Particular requirements for vacuum cleaners
Steel pattern plates with changeable metal inserts for moulding boxes having inside dimensions 400x300 mm, 450x350 mm, 500x400 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions
