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BS EN 61669
Electroacoustics. Measurement of real-ear acoustical performance characteristics of hearing aids
Edition
2016-02-29
BS EN 15531-2
Public transport. Service interface for real-time information relating to public transport operations. Communications infrastructure
Edition
2022-11-29
BS EN 15531-1
Public transport. Service interface for real-time information relating to public transport operations. Context and framework
Edition
2022-09-05
BS EN 15531-3
Public transport. Service interface for real-time information relating to public transport operations. Functional service interfaces
Edition
2022-09-06
OENORM EN 15733
Services of real estate agents - Requirements for the provision of services of real estate agents
Edition
2011-08-15
ISO/IEC 20933
Information technology - Distributed application platforms and services (DAPS) - Framework for distributed real-time access systems
Edition
2019-01
BS EN ISO 11904-1
Acoustics. Determination of sound immission from sound sources placed close to the ear. Technique using a microphone in a real ear (MIRE technique)
Edition
2002-10-24
BS EN 772-4
Methods of test for masonry units. Determination of real and bulk density and of total and open porosity for natural stone masonry units
Edition
1998-12-15
PR NF S31-015/A1 ; PR NF EN IEC 61669/A1
Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
NF S31-015 ; NF EN 61669:2016-04-23
Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
Edition
2016-04-23