Industrial communication networks – Fieldbus specifications – Part 4-18: Data-link layer protocol specification – Type 18 elements
standard by International Electrotechnical Commission, 12/14/2007
Safety of machinery – Electro-sensitive protective equipment – Part 1: General requirements and tests
standard by International Electrotechnical Commission, 02/04/2004
Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-6: Examinations and measurements – Return loss
standard by International Electrotechnical Commission, 01/20/2005
Functional safety – Safety instrumented systems for the process industry sector – Part 1: Framework, definitions, system, hardware and application programming requirements
standard by International Electrotechnical Commission, 02/24/2016
Industrial communication networks – Fieldbus specifications – Part 4-21: Data-link layer protocol specification – Type 21 elements
standard by International Electrotechnical Commission, 04/10/2019
Materials for printed boards and other interconnecting structures – Part 2-19: Reinforced base materials, clad and unclad – Epoxide cross-plied linear fibreglass-reinforced laminated sheets of defined flammability (vertical burning test), copper clad
standard by International Electrotechnical Commission, 11/28/2001
Industrial communication networks – Fieldbus specifications – Part 4-1: Data-link layer protocol specification – Type 1 elements
standard by International Electrotechnical Commission, 12/14/2007
Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use – Part 1: Format A
standard by International Electrotechnical Commission, 05/09/1997
Optical amplifiers – Test methods – Part 4-1: Gain transient parameters – Two-wavelength method
standard by International Electrotechnical Commission, 08/10/2011
Rigid protective covers for live working on a.c. installations CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 06/28/2002
