Tech PDF

BS

BS 1806:1962

Specification for dimensions of toroidal sealing rings ('O' seals and their housings)
standard by BSI Group, 12/07/1962

BS

BS 1888:1972

Specification for precision reels for bare and oxidized resistance wires (0.010 mm to 0.125 mm diameter inclusive)
standard by BSI Group, 06/23/1972

AS-NZS

AS/NZS 17420.4:2022

Respiratory protective devices – Performance requirements, Part 4: Requirements for supplied breathable gas RPD (ISO 17420-4:2021, MOD)
standard by Standards Australia / Standards New Zealand, 12/23/2022