Step irons with upstand for staggered manhole steps - Part 1: Step irons to be fitted in masonry or set into concrete
Edition 2003-05

Step irons with upstand for staggered manhole steps - Part 2: Step irons to be set into prefabricated concrete units
Edition 2003-05

Gully tops and manhole tops for vehicular and pedestrian areas - Securing of the cover or grating within the frame
Edition 2015-09

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

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

Grease guns; push type-hand gun
Edition 1990-11

Grease guns; lever type-hand guns and accessories
Edition 1990-11

Grease guns; grease cartridges for lever type-hand gun; main dimensions
Edition 1990-11

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

General mathematical symbols and concepts
Edition 1999-12