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ISO 23748:2016/Amd 1:2021 EN
Aerospace series — O-ring grooves — Dimensions — Amendment 1
现行
发布日期 :
2021-02-15
实施日期 :
ISO 6969:2004/Amd 1:2021 EN
Road vehicles — Sound signalling devices — Tests after mounting on vehicle — Amendment 1
现行
发布日期 :
2021-02-08
实施日期 :
ISO 11296-4:2018/Amd 1:2021 EN
Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks — Part 4: Lining with cured-in-place pipes — Amendment 1: Updated definitions, marking requirements and procedure for alternative expression of flexural test results
现行
发布日期 :
2021-02-08
实施日期 :