Pipes systems and manhole woks made of concrete, unreinforced, steel fibre and reinforced for the conveyance of waste water - Design, proof of load bearing capacity and fitness for use, installation
Edition 2004-08

Class A and class B concrete elements and buckets for gullies; Design; installation and assemblies
Edition 1981-11

Concrete elements and buckets for gullies - Classes A and B - Part 3: Buckets
Edition 2024-03

Steps for underground man entry chambers - Application in construction works for wastewater disposal
Edition 2003-04

Units; Submultiples and Multiples for General Use
Edition 1978-02

Units - Part 3: Conversion of non-SI units
Edition 2018-02

Letter symbols for physical quantities; symbols for general use
Edition 1994-03

Letter symbols for physical quantities; symbols to be used in meteorology and geophysics
Edition 1989-09

Letter symbols for physical quantities; symbols to be used for fluid mechanics
Edition 1989-09

Mass, as weighed value, force, weight force, weight, load; concepts
Edition 1988-01