ISO/CD 21771-1
Gears — Cylindrical involute gears and gear pairs — Concepts and geometry — Part 1: Concepts and geometry
Reference number
ISO/CD 21771-1
Edition 1
Deleted
d
ISO/CD 21771-1
78721
A draft is being reviewed by the committee.

General information

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)