Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
Ambient air quality - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence
Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence
Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence
Mechanical vibration - Measurement and calculation of occupational exposure to whole-body vibration with reference to health - Practical guidance
Laboratory measurement of noise from waste water installations
Laboratory measurement of noise from waste water installations
Self adhesive tapes - Measurement of breaking strength and elongation at break
Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail
Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail
Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail
53,361 afzonderlijke normreferenties geïndexeerd op basis van vastgelegde officiële bronnen. Eerdere edities zijn inbegrepen. De index en de collecties van uitgevers hebben een verschillende dekking. Zie bronnen en dekking.