Normativa ISO UNE gratis

Fecha de publicación: 01/10/1981 Lubricants, industrial oils and related products (class L) — Classification — Part 2: Family F (Spindle bearings, bearings and associated clutches) ISO 6743-2:1981

Fecha de publicación: 01/10/1981 Fruits, vegetables and derived products — Determination of zinc content — Part 2: Atomic absorption spectrometric method ISO 6636-2:1981

Fecha de publicación: 01/10/1981 Industrial wire screens and woven wire cloth — Guide to the choice of aperture size and wire diameter combinations — Part 3: Preferred combinations for pre-crimped or pressure-welded wire screens ISO 4783-3:1981

Fecha de publicación: 01/10/1981 Chromate conversion coatings on electroplated zinc and cadmium coatings ISO 4520:1981

Fecha de publicación: 01/11/1981 Continuous mechanical handling equipment — Bucket elevators — Classification ISO 7190:1981

Fecha de publicación: 01/11/1981 Agricultural tractors — Remote control hydraulic cylinders for trailed implements ISO 2057:1981

Fecha de publicación: 01/11/1981 Aromatic hydrocarbons — Sampling ISO 1995:1981

Fecha de publicación: 01/11/1981 Ethanol for industrial use — Methods of test — Part 10: Estimation of hydrocarbons content — Distillation method ISO 1388-10:1981

Fecha de publicación: 01/11/1981 Ethanol for industrial use — Methods of test — Part 6: Test for miscibility with water ISO 1388-6:1981

Fecha de publicación: 01/11/1981 Ethanol for industrial use — Methods of test — Part 7: Determination of methanol content (methanol contents between 0,01 and 0,20 % (V/V)) — Photometric method ISO 1388-7:1981