Access and Terminals (AT) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300449 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary and special quality voice bandwidth 2-wire analogue leased lines (A2O and A2S) - Terminal equipment interface (Endorsement of the English version EN 300450 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary quality voice bandwidth 4-wire analogue leased line (A4O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300451 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300452 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary and special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S) - Terminal equipment interface (Endorsement of the English version EN 300453 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Land Mobile Service - Analogue and Digital PMR446 Equipment - Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsement of the English version EN 303 405 V1.1.1 (2017-05) as German standard)
Edition 2017-09

Analogue signals for process control systems; direct current signals; identical with IEC 60381-1, edition 1982
Edition 1985-11

Analogue signals for process control systems; part 2: direct voltage signals
Edition 1980-06

Cinematography - Analogue photographic sound test films, 35 mm and 16 mm - Specifications (ISO 6025:2000)
Edition 2003-04

Cinematography - Analogue photographic sound test films, 35 mm and 16 mm - Specifications
Edition 2000-11