Occupational safety standards system. Respiratory protective devices. Methods of test. Part 1. Determination of inward leakage and total inward leakage
Enclosing constructions of buildings. Materials for embedded heat-insulating elements from extruded polystyrene foam (thermal layouts). General specificatons
State system for ensuring the uniformity of measurements. Brown coals, bituminous coals, anthracite. Infrared thermogravimetric method of total moisture determination
