Harmonized system of quality assessment for electronic components. Generic specification. Sockets for use with electrical relays of assessed quality— 36 стр.
Welding consumables -- Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of non-alloy and fine grain steels -- Classification— 34 стр.
Welding consumables. Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of non-alloy and fine grain steels. Classification— 40 стр.