Firefighting and rescue service vehicles and equipment. Graphical symbols for control elements and displays and for markings Ingestion-build-137917 three-port devices that are used

three-port devices that are used in a wide range of optical set-ups and for numerous applications

This document excludes services and merchandise

See other cleanrooms standards in the BS EN ISO 14644 series

— provides structures and rules for mapping between different unit vocabularies and language translations to support the implementation of this International Standard

This European Standard only covers type testing

Firefighting and rescue service vehicles and equipment. Graphical symbols for control elements and displays and for markings Ingestion-build-137917 three-port devices that are used1 Scope This Technical Specification is applicable to graphical symbols for control elements and displays and for markings for fire fighting and rescue service vehicles and equipment.