Quality requirements for fusion welding of metallic materials Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4
Edition 2020-04-28

Intelligent transport systems - Standards and actions necessary to enable urban infrastructure coordination to support Urban-ITS (Endorsed by Asociación Española de Normalización in November of 2017.)
Edition 2017-11-01

Quality requirements for fusion welding of metallic materials - Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4 (ISO 3834-5:2021)
Edition 2022-06-29

HEAT EXCHANGERS. METHODS OF MEASURING THE PARAMETERS NECESSARY FOR ESTABLISHING THE PERFORMANCE.
Edition 1997-10-21

Standard Guide for Laboratory Requirements Necessary to Test Commercial Cooking and Warming Appliances to ASTM Test Methods
Edition 2010

Quality requirements for fusion welding of metallic materials, Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of AS/NZS ISO 3834.2, AS/NZS ISO 3834.3 or AS/NZS ISO 3834.4.
Edition 2023

Clearance and necessary time of clearance by jet tip - Method of test
Edition 1990-10-30

Heat exchangers - Methods of measuring the parameters necessary for establishing the performance; German version EN 306:1997
Edition 1997-07

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11