Normativa ISO UNE gratis

Fecha de publicación: 28/11/1991 Cigarettes — Determination of alkaloid retention by the filters — Spectrometric method ISO 3401:1991

Fecha de publicación: 28/11/1991 Road vehicles — Fuel injection equipment testing — Part 2: Orifice plate flow-measurement ISO 7440-2:1991

Fecha de publicación: 28/11/1991 Fruit and vegetable products — Determination of pH ISO 1842:1991

Fecha de publicación: 28/11/1991 Road vehicles — Fuel injection equipment testing — Part 1: Calibrating nozzle and holder assemblies ISO 7440-1:1991

Fecha de publicación: 28/11/1991 Vitreous and porcelain enamels — Determination of the resistance to abrasion — Part 1: Abrasion testing apparatus ISO 6370-1:1991

Fecha de publicación: 05/12/1991 Passenger cars — Engine cooling systems — Dimensions of pressure caps and their ramp seats on filler necks ISO 9817:1991

Fecha de publicación: 05/12/1991 Passenger cars — Engine cooling systems — Test methods and marking of pressure caps ISO 9818:1991

Fecha de publicación: 12/12/1991 Cigarettes — Determination of the smoke condensate retention index of a filter — Direct spectrometric method ISO 4388:1991

Fecha de publicación: 12/12/1991 Steel for the prestressing of concrete — Part 3: Quenched and tempered wire ISO 6934-3:1991

Fecha de publicación: 12/12/1991 Soft soldering fluxes — Test methods — Part 8: Determination of zinc content ISO 9455-8:1991