Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use. Format A
Edition 1997-10-15

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use. Format B
Edition 1998-03-15

Multi-channel radio frequency connectors - Part 1: Generic specification - General requirements and test methods (IEC 63138-1:2019); German version EN IEC 63138-1:2019
Edition 2020-08

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use. Part 1: format A
Edition 1997-11-01

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use. Part 2: format B
Edition 1998-04-01

Piston-operated volumetric apparatus - Part 7: Alternative measurement procedures for the determination of volume - Amendment 1 (ISO 8655-7:2022/DAM 1:2024); German and English version EN ISO 8655-7:2022/prA1:2024)
Edition 2024-02

Aerospace series - Elements of electrical and optical connection; Test methods - Part 602: 0ptical elements; Variation of attenuation and optical discontinuity; German and English version EN 2591-602:2001
Edition 2002-10

Aerospace series - Elements of electrical and optical connection; Test methods - Part 606: Optical elements; Crosstalk; German version EN 2591-606:2002
Edition 2002-12

Optical amplifier test methods - Part 10-1: Multichannel parameters - Pulse method using an optical switch and optical spectrum analyzer
Edition 2009-05

Optical amplifiers - Test methods. Part 10-4: Multichannel parameters - Interpolated source subtraction method using an optical spectrum analyzer
Edition 2007-07