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Bestandserhaltung und Dokumentation in Archiven und Bibliotheken
Paket: Normen-Handbuch "Bestandserhaltung in Archiven und Bibliotheken" und DIN-Taschenbuch 343 "Information und Dokumentation"
Edition
2024-06
Conservation of cultural heritage 2
Edition
2019-08
NF C97-618-8 ; NF EN IEC 60318-8:2022-05-13
Electroacoustics - Simulators of human head and ear - Part 8: acoustic coupler for high-frequency measurements of hearing aids and earphones coupled to the ear by means of ear inserts
Edition
2022-05-13
SN EN 60318-1
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones
Edition
2009-12
SN EN IEC 60318-7
Electroacoustics - Simulators of human head and ear - Part 7: Head and torso simulator for the measurement of sound sources close to the ear
Edition
2022-08
SN EN 61260-2
Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests
Edition
2016-06
SN EN 61260-3
Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests
Edition
2016-06
SN EN 60318-3
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
Edition
2015-02
SN EN 60118-4
Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
Edition
2015-02
SN EN 60318-5
Electroacoustics - Simulators of human head and ear. Part 5:2 cm-* coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
Edition
2006-09
