GOST ISO 1328-1-2017 Cylindrical gears. ISO system. Flank tolerance classification. Part 1. Definitions and allowable values of deviations relevant to flanks of gear teeth
2017GOST ISO 1328-1-2017 Cylindrical gears. ISO system. Flank tolerance classification. Part 1. Definitions and allowable values of deviations relevant to flanks of gear teeth