Lasers and laser-related equipment — Test methods for laser beam widths, divergence angles and beam propagation ratios — Part 3: Intrinsic and geometrical laser beam classification, propagation and details of test metho…

Статус документа:Действующий

39 600 ₽

Подробнее Подробнее

PDF

ISO 18640-2:2018

Protective clothing for firefighters — Physiological impact — Part 2: Determination of physiological heat load caused by protective clothing worn by firefighters

Статус документа:Действующий

30 600 ₽

Подробнее Подробнее

PDF