Cast iron waste pipes and fittings. Assortment
Document status: Replaced by GOST 6942-98
Cast iron waste pipes and fittings. Branch pipes with accessories. Construction and dimensions
Document status: Replaced by GOST 6942-98
Glass textile products. Method of twist and twist equilibrium determination
Document status: Replaced
The Caucasus coals for pulverized burning. Specifications
Document status: Withdrawn
