
Cylindrical involute gears and gear pairs — Part 1: Concepts and geometry
NORMA vydaná dňa 24.10.2024
Designation standards: ISO 21771-1:2024
Publication date standards: 24.10.2024
The number of pages: 159
Approximate weight : 508 g (1.12 lbs)
Country: International technical standard
Kategória: Technické normy ISO