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ISO 21127
Information and documentation - A reference ontology for the interchange of cultural heritage information
Edition
2023-10
ISO 21128
Cork stoppers - Determination of oxidizing residues - Iodometric titration method
Edition
2006-02
ISO 21129
Hygrothermal performance of building materials and products - Determination of water-vapour transmission properties - Box method
Edition
2007-07
ISO 21130
Ships and marine technology - Major components of emergency towing arrangements
Edition
2019-04
ISO 21131
Ships and marine technology - Marine cranes - Noise limits and measuring method
Edition
2019-06
ISO 21132
Ships and marine technology - Marine cranes - Operation and maintenance requirements
Edition
2019-04
ISO 21135 ; IULTCS/IUC 442:2024-05
Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols
Edition
2024-05
ISO/TR 21136
Timber structures - Vibration performance criteria for timber floors
Edition
2017-04
ISO 21138-1
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Material specification and performance criteria for pipes, fittings and systems
Edition
2020-01
ISO 21138-2
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2: Pipes and fittings with smooth external surface, Type A
Edition
2020-01
