GOST 25912.1-91

Sound absorbing materials. Sound absorption measurement method in reverberation room

Steel hot-rolled shapes for cutting blades of earth-moving machines. General specifications

Internal combustion engines piston. Air cleaners. Methods of motorless bench testing

Stationary steam and hot-water boilers, heat recovery steam generators. Requirements for approval of welding procedures for metallic materials

Fresh ceps. General specifications

Materials for printed boards and other interconnecting structures. Part 2-6. Reinforced base materials, clad and unclad. Brominated epoxide non-woven and woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad