Normativa ISO UNE gratis

Fecha de publicación: 21/02/1991 Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length ISO 4200:1991

Fecha de publicación: 14/03/1991 Animal feeding stuffs — Determination of urea content ISO 6654:1991

Fecha de publicación: 14/03/1991 Machine tools — Self-holding tapers for tool shanks ISO 296:1991

Fecha de publicación: 14/03/1991 Information processing systems — Open Systems Interconnection — Internal organization of the Network Layer — Technical Corrigendum 1 ISO 8648:1988/Cor 1:1991

Fecha de publicación: 28/03/1991 Pulses — Determination of impurities, size, foreign odours, insects, and species and variety — Test methods ISO 605:1991

Fecha de publicación: 11/04/1991 Steel and iron — Determination of chromium content — Flame atomic absorption spectrometric method ISO 10138:1991

Fecha de publicación: 11/04/1991 Aircraft — Self-propelled potable-water vehicle ISO 9678:1991

Fecha de publicación: 11/04/1991 Clutch housings for reciprocating internal combustion engines — Nominal dimensions and tolerances ISO 7649:1991

Fecha de publicación: 11/04/1991 Caravans and light trailers — Trailers of categories 01 and 02 with overrun brakes — Inertia bench test methods for brakes ISO 7642:1991

Fecha de publicación: 11/04/1991 Rock drilling equipment — Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm — Technical Corrigendum 1 ISO 10207:1991/Cor 1:1991