Russian standards PDF
Transmitters for point-to-point radio communication. Basic parameters, technical requirements and methods of measurements
Document status: Withdrawn
Basic requirements for interchangeability. Rock-on-pinion of finemodule gears. Tolerances
Document status: Active
Pipeline valves. Butterfly valves. General specifications
Document status: Active
Welded joints of reinforcement and inserts for reinforced concrete structures. Types, constructions and dimensions
Document status: Active