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NA 001-01-02 AA
Noise immission - Principles, determination, rating
NA 005-52-37 AA
Test methods and calculation procedure for the assessment of toxicity of gases caused by smouldering and fire gases (national mirror committee for ISO/TC 92/SC 3)
prEN 3873
Aerospace series - Test methods for metallic materials - Determination of fatigue crack growth rates using Corner-Cracked (CC) test pieces
prEN 17166
Fans - Procedures and methods to determine the energy efficiency for the electrical input power range of 125 W up to 500 kW
prEN 17601 rev
Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil
prEN 18110
Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants
prEN ISO 294-5 rev
Plastics - Injection moulding of test specimens of thermoplastic materials - Part 5: Preparation of standard specimens for investigating anisotropy
prEN ISO 3325
Sintered metal materials, excluding hardmetals - Determination of transverse rupture strength (ISO/DIS 3325:2024)
prEN ISO 10350-1
Plastics - Acquisition and presentation of comparable single-point data - Part 1: Moulding materials (ISO/DIS 10350-1:2024)
prEN ISO 16890-5
Air filters for general ventilation - Part 5: Measurement of fractional efficiency and air flow resistance for flat sheet filter media
