90.20 Standard under periodical review Jan 15, 2024
ISO
International Standard
91.060.30 Ceilings. Floors. Stairs
Published
Gives general principles for coordinating dimensions of stairs and stair openings in building construction. Applies to buildings of all types. Belongs to a series of ISO publications concerning modular co-ordination in building construction.
PUBLISHED
ISO 3881:1977
90.20
Standard under periodical review
Jan 15, 2024