Russian standards PDF
House-tube water-watered heat supply systems. General specifications
Document status: Active
Compact disk players. General requirements and methods of measurement
Document status: Active
Refrigerating compressors of positive displacement type. Methods of testing
Document status: Active
Aqueous solutions of wood protective means. Specifications
Document status: Active
Noise. Methods for calculation of limit admissible nose characteristics of stationary machines
Document status: Active