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  4. Standard "UNE-EN ISO 21904-4:2020"
Standard UNE-EN ISO 21904-4:2020 27.5.2020 preview

UNE-EN ISO 21904-4:2020

Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 4: Determination of the minimum air volume flow rate of capture devices (ISO 21904-4:2020)

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STANDARD published on 27.5.2020


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The information about the standard:

Designation standards: UNE-EN ISO 21904-4:2020
Publication date standards: 27.5.2020
SKU: NS-994791
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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The category - similar standards:

Occupational safety. Industrial hygieneWelding, brazing and soldering in generalWelding processesWelding equipment

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