Floating head heat exchanger with welded floating head - Examples of design
Edition 2009-09

Tubular heat exchangers - Tube pitches, diameter of bores in tube sheets, baffles and support plates
Edition 2007-09

Methods of measurement for equipment used in digital microwave radio transmission systems; part 2: measurements on terrestrial radio-relay systems; section one: general (IEC 60835-2-1:1990); German version EN 60835-2-1:1992
Edition 1993-09

Welded steel tubes for tubular heat exchangers - Dimensions and materials
Edition 2007-09

Seamless steel tubes for tubular heat exchangers - Dimensions and materials
Edition 2007-09

Components for tubular heat exchangers
Edition 2007-09

Methods of measurement for equipment used in terrestrial radio-relay system; measurements for sub-systems; general; identique with IEC 487-2-1, edition 1981
Edition 1987-09

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay-systems; section 4: Transmitter/receiver including modulator/demodulator; Amendment A1 (IEC 60835-2-4:1993/A1:1997); German version EN 60835-2-4:1995/A1:1997
Edition 1998-07

Communication cables - Specifications for test methods - Part 4-12: Environmental test methods - Vertical flame spread test on bunched small communication cables; German version EN 50289-4-12:2004
Edition 2005-02

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 8: Adaptive equalizer (IEC 60835-2-8:1993/A1:1996); German version EN 60835-2-8:1993/A1:1996
Edition 1996-12