Ball, lifting-plug and cylindrical cocks for nominal pressure at most PN 250. General specifications
Document status: Active
Gastric juice natural `equine` (for veterinary purposes). Specifications
Document status: Active
Sulphuric acid for industrial use. Specifications
Document status: Replaced by GOST 2184-2013
Welding of metals. Methods for determination of diffusible hydrogen in deposited weld metal and fused metal
Document status: Active
Signal-conversion equipment /SCE/ for primary wideband channels. Types and basic parameters
Document status: Active