GOST 8716-81

Domestic animals. Methods of laboratory diagnostics of coccidiosis

State system for ensuring the uniformity of measurements. Tachometers. Verification procedure

Flat steel flange blinds for valves, fittings and pipelines. Design, dimensions and general technical requirements

Low voltage surge protective devices. Part 21. Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods

Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 4. Resistance of earth connection and equipotential bonding

Mineral wool suspended ceilings. Specifications