Russian standards PDF
Unified system for design documentation. Textual documents
Document status: Replaced by GOST R 2.106-2019
System of design documents for construction. Industrial process automation. Instrumentation symbols for use in diagrams
Document status: Active
System of design documents for construction. Execution rules of working documents for metal structures
Document status: Active
Explosionproof electrical apparatus. General requirements and methods of testing
Document status: Active
Pressure gauges, vacuum gauges, pressure-and-vacuum gauges, draught gauges and draught-and-pressure gauges. General specifications
Document status: Active