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Gas infrastructure - Injection stations - Part 1: General requirements; German version FprEN 17928-1:2024

Plant biostimulants - Sampling and sample preparation - Part 1: Sampling

Plant biostimulants - Sampling and sample preparation - Part 2: Sample preparation

Plant biostimulants - Determination of the anaerobic plate count

Plant biostimulants - Determination of chromium(VI)

Optics and photonics - Guidance for the selection of environmental tests (ISO 10109:2024); Text in German and English

Project

EN 17928-1

Gas infrastructure - Injection stations - Part 1: General requirements

Workplace exposure - Measurement of the dustiness of bulk materials - Part 3: Continuous drop method

Project

EN 17928-2

Gas infrastructure - Injection stations - Part 2: Specific requirements regarding the injection of biomethane

Project

EN 17955

Industrial valves - Functional safety of safety-related automated valves

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