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OVE EN IEC 61669/A1
Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (IEC 29/1179/CDV) (Amendment) (english version)
Edition
2024-09-01
OVE EN 61669
Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (IEC 61669:2015) (german version)
Edition
2018-07-01
SN EN 61669
Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
Edition
2016-02
NF B40-016
Vocabulary for the refractories industry. Part 6: characteristics and methods of tests
Edition
1959-03-01
NF B51-002
Timbers. Physical and mechanical characteristics of timber
Edition
1942-02-01
NF C31-122
Wires for electrical machinery and apparatus. Round bare 3/4 hard aluminium wire. Characteristics
Edition
1980-05-01
NF C64-201
A.C. high-voltage switchgear and controlgear. High breaking capacity fuses. Characteristics
Edition
1977-03-01
NF C66-038
Insulators for sub-stations. Outdoor post insulators of ceramic material or glass with internal or external metal fittings. Characteristics and dimensions for interchangeability
Edition
1981-07-01
NF C66-039
Insulators for sub-stations. Indoor post insulators of ceramic, glass and organic material. Characteristics and dimensions for interchangeability
Edition
1981-07-01
NF C66-231
Insulators and fittings for overhead lines. Glass insulators of the cap and pin type. Characteristics. Dimensions
Edition
1981-07-01
