Unified system for design documentation. Rules of duplication
Document status: Replaced by GOST 2.502-2013
Unified system for design documentation. Graphic designations in diagrams. Commutational field elements of commutational systems
Document status: Active
Unified system for design documentation. Pattern method of projecting. Geometric form, model dimensions
Document status: Active
Unions hermeticable for tube connections on external cone. Construction and dimensions
Document status: Active
