Universal Serial Bus interfaces for data and power - Part 4-1: Universal Serial Bus 4 ™ Specification (Endorsed by Asociación Española de Normalización in January of 2023.)
Edition 2023-01-01

Geometrical product specifications (GPS) - Filtration - Part 41: Morphological profile filters: Disk and horizontal line-segment filters (ISO 16610-41:2015) (Endorsed by AENOR in September of 2015.)
Edition 2015-09-01

Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 41: Vertical lifting platforms intended for use by persons with impaired mobility
Edition 2011-10-05

Bituminous mixtures - Test methods for hot mix asphalt - Part 41: Resistance to de-icing fluids
Edition 2014-03-19

Unbound and hydraulically bound mixtures - Part 41: Test method for the determination of the compressive strength of hydraulically bound mixtures
Edition 2022-09-14

Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-1: Space heating and DHW generation systems, combustion systems (boilers, biomass), Module M3-8-1, M8-8-1
Edition 2018-11-28

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-1: Low voltage decoupling filters - Generic specification
Edition 2023-09-27

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-1: Low voltage decoupling filters - Generic specification.
Edition 2002-04-22

Home and Building Electronic Systems (HBES) - Part 4-1: Media independent layers - Application layer for HBES Class 1
Edition 2004-12-31

Multi-element metallic cables used in analogue and digital communication and control - Part 4-1: Sectional specification for screened cables characterised up to 600 MHz - Horizontal and building backbone cables
Edition 2013-12-23