Norm-Entwurf
23/30459716 DC
23/30459716 DC
BS ISO 21771-1. Gears. Cylindrical involute gears and gear pairs. Concepts and geometry. Part 1. Concepts and geometry
Titel (englisch)
BS ISO 21771-1. Gears. Cylindrical involute gears and gear pairs. Concepts and geometry. Part 1. Concepts and geometry