GOST 21921-76

Synthetic textured threads and tow. Methods for the determination of the breaking strength and breaking elongation

Binding material with starch and kaolin coating. Specifications

Occupational safety standards system. Respiratory protective devices. Method for determination of carbon dioxide and oxygen content in the inhaled gas breathing mixture

Tracheotomy tubes. Part 2. Basic requirements

Medical electrical equipment. Part 2-47. Particular requirements for the safety, including essential performance, of ambulatory electrocardiographic systems

Electroacoustics. Audiometric equipment. Part 5. Instruments for impedance/admittance audiometry