GOST 20728-75

Unified system for design documentation. General requirements for textual documents

Long shank machine taps for metric threads from M3 to M10. Dimensions

Unified system for program documentation. Data, program and system flowcharts, program network charts and system resources charts. Documentation symbols and convention for flowcharting

Non-destructive testing. Ultrasonic flaw detectors. Methods of measuring the main parameters

Labour safety standards system. Equipment and apparatus for gas-flaming processing of metals and for thermal dusting of coatings. Safety requirements

Communication networks and systems in substation. Part 7-4. Basic communication structure for substation and feeder equipment. Compatible logical node classes and data classes