Russian standards PDF
Quality of Services. Parameters of Quality for Telecommunications Services in the Public Switched Telephone Network. General requirements
Document status: Active
Sound broadcasting. The basic electric parameters of channels and of studio quality (with frequency band 20...20000 Hz)
Document status: Active
Aviation engines and their units. Indexation of parameters of air (gas) condition on sections of air-gas channel aviation engines and air-gas systems connected with them
Document status: Active
Aviation engines and their components. Brazing of high-alloy steels in vacuum. General requirements for technological process
Document status: Active
