Direct acting indicating analogue electrical measuring instruments and their accessories; part 1: definitions and general requirements common to all parts (IEC 60051-1:1984, edition 4); german version EN 60051-1:1989— 26 стр.
Environmental testing - Part 2: Tests; test U: Robustness of terminations and integral mounting devices (IEC 60068-2-21:1983 + A1:1985 + A2:1991 + A3:1992); German version EN 60068-2-21:1997 + A2:1997 + A3:1997— 18 стр.
Radiators and convectors - Part 1: Technical specifications and requirements (includes Amendment A1:2003); German version EN 442-1:1996 + A1:2003— 17 стр.
Heat exchangers - Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangers; German version EN 305:1997— 12 стр.
Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (IEC 60051-1:1997); German version EN 60051-1:1998— 25 стр.