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SN EN 17152-1
Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for storm water boxes made of PP and PVC-U
Edition
2020-02
SN EN 17152-1/AC
Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for storm water boxes made of PP and PVC-U; Corrigendum AC
Edition
2020-11
PR NF L52-250-811 ; PR NF EN 3475-811
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 811 : unbalance attenuation.
OENORM EN 1177+AC/A1
Impact attenuating playground surfacing - Methods of test for determination of impact attenuation (Amendment)
Edition
2022-02-15
OENORM EN 3475-811
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 811: Unbalance attenuation
Edition
2009-09-01
SN EN IEC 62614-1
Fibre optics - Multimode launch conditions - Part 1: Launch condition requirements for measuring multimode attenuation
Edition
2020-08
OENORM EN 13146-3
Railway applications - Track - Test methods for fastening systems - Part 3: Determination of attenuation of impact loads
Edition
2012-05-15
OEVE EN 50147-2
Anechoic chambers - Part 2: Alternative test site suitability with respect to site attenuation
Edition
1996-04-30
OENORM EN ISO 11821
Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)
Edition
1997-10-01
SN EN IEC 61726
Cable assemblies, cables, connectors and passive microwave components - Screening attenuation measurement by the reverberation chamber method
Edition
2022-09