GOST 13055-67

Occupational safety standards system. Respiratory protective devices. Compressed air line supply breathing apparatus. Part 2. Apparatus with half mask at positive pressure. Requirements. Testing. Marking

Product-quality index system. Universal built-up equipment. Nomenclature of indices

State system for ensuring the uniformity of measurements. pH measuring. Standard-titres material dose for making 2nd class standard buffer solutions. Specifications

State system for ensuring the uniformity of measurements. BU-type viscosimeters. Methods and means of calibration

Silver-platinum alloys. Method of spectral analysis

Integrated digital communication network. Signalling system. Signal definitions