Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastic or elastomer) materials. Method for determination of watertightness after stretching at low temperature
Explosive atmospheres. Rules of conformity assessment of quality management systems of service facilities providing installation and initial inspection of Ex installations for use in explosive atmospheres
Accessibility for the disabled people of urban infrastructure and services. General requirements. Indicators and criteria for assessing the level of availability
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