Повучен
This document specifies the dimensions of fixed or rotatable bolted knife-edge flanges used in vacuum systems for pressures ranging from atmospheric to as low as 10−11 Pa.
ПОВУЧЕН
ISO 3669:2017
ПОВУЧЕН
ISO 3669:2020
95.99
Повучен
24. 6. 2026.
ОБЈАВЉЕН
ISO 3669:2026