Direct-current resistive volt ratio boxes (IEC 60524:1975 + A1:1981); German version EN 60524:1993
Edition 1994-08

Vacuum technology; terms and definitions, surface analysis techniques
Edition 1980-10

Aerospace, aircaft electrical systems; bonding
Edition 1991-11

Telecontrol equipment and systems; part 3: interfaces (electrical characteristics); IEC 60870-3:1989; german version HD 546.3 S1:1991
Edition 1992-02

Generating sets - Reciprocating internal combustion engines driven generating sets - Part 15: Combined heat and power system (CHPS) with reciprocating internal combustion engines; tests
Edition 1997-08

Mine plans - Drilling and cavern - Part 2: Brine caverns
Edition 1999-02

Aerospace series; characteristics of aircraft electrical supplies; german version EN 2282:1991
Edition 1992-05

Measurement of airborne noise emitted by machines; enveloping surface method, construction equipment
Edition 1979-07

Medical electrical equipment - Radionuclide calibrators - Particular methods for describing performance (IEC 61303:1994); German version EN 61303:1995
Edition 1996-03

Building material machines - Mixers for concrete and mortar - Part 2: Procedure for the examination of the mixing efficiency of concrete mixers
Edition 1995-11