Flexible roll waterproofing polymer materials (thermoplastic and elastomeric). General specifications

Die Norm herausgegeben am 1.1.2023

Air filtering media to collect nanomaterials. Method to measure the efficiency against spherical nanomaterials. Part 1. Size range from 20 nm to 500 nm

Die Norm herausgegeben am 1.1.2023

Air filtering media to collect nanomaterials. Method to measure the efficiency against spherical nanomaterials. Part 2. Size range from 3 to 30 nm

Die Norm herausgegeben am 1.1.2023

Air filters for general ventilation. Part 1. Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)

Die Norm herausgegeben am 1.1.2023

Air filters for general ventilation. Part 2. Measurement of fractional efficiency and air flow resistance

Die Norm herausgegeben am 1.1.2023

Air filters for general ventilation. Part 3. Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured

Die Norm herausgegeben am 1.1.2023

Air filters for general ventilation. Part 4. Conditioning method to determine the minimum fractional test efficiency

Die Norm herausgegeben am 1.1.2023

Low voltage systems. Cable systems. Topology of low voltage cable systems. Basic provisions

Die Norm herausgegeben am 1.1.2023

Aircraft equipment. Requirements for aircraft acoustic design of passenger salon and crew cockpit

Die Norm herausgegeben am 1.3.2023

Magnesial-alumino-silikate proppants. Specifications

Die Norm herausgegeben am 1.11.2022