Coverings for wells, spring water chambers and other water supply construction - Principles for construction
Edition 2018-04

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

Firefront for dutch tiles stoves; filling door for fuelling
Edition 1928-04

Chimneys - Connecting flue pipes for heat generating systems - Metal pipes and fittings for flue gases from domestic heat generating systems for operation under negative pressure conditions
Edition 2015-08

Fundamentals of metrology - Part 3: Evaluation of measurements of a single measurand, measurement uncertainty
Edition 1996-05

Gaseous fuels and other gases; types, constituents, application
Edition 1990-12

Building and civil engineering drawings - Part 1: General rules for representation
Edition 2024-04