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ISO

ISO 4281:1977
En Vigor
1977-03-01
Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
ISO

ISO 8648:1988/Cor 1:1991
En Vigor
1991-03-14
Information processing systems — Open Systems Interconnection — Internal organization of the Network Layer — Technical Corrigendum 1
ISO

ISO/DIS 16602-4
En Vigor
2025-09-25
Protective clothing for protection against chemicals — Classification, labelling and performance requirements — Part 4: Test methods, classification and requirements for specific designs and ensemble components including gloves, footwear, and respirators
ISO

ISO/IEC 23003-1:2007/Amd 1:2008/Cor 1:2011
En Vigor
2011-10-11
Information technology — MPEG audio technologies — Part 1: MPEG Surround — Amendment 1: Conformance testing — Technical Corrigendum 1
ISO

ISO 9619:1992/Amd 1:2002
En Vigor
2002-07-18
Passenger cars — Windscreen wiping systems — Test method — Amendment 1
ISO

ISO 13918:2017/Amd 1:2021
En Vigor
2021-09-07
Welding — Studs and ceramic ferrules for arc stud welding — Amendment 1
ISO

ISO 4503:1978
En Vigor
1978-06-01
Hardmetals — Determination of contents of metallic elements by X-ray fluorescence — Fusion method
ISO

ISO/IEC 13818-6:1998/Amd 1:2000
En Vigor
2000-10-26
Information technology — Generic coding of moving pictures and associated audio information — Part 6: Extensions for DSM-CC — Amendment 1: Additions to support data broadcasting