Belarus standards PDF
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3: Field joint coatings (ISO 21809-3:2016). Original standard UNE-EN ISO 21809-3-2016 in PDF full version. Additional info + preview on request
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Amendment 1 - Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3- Field joint coatings - Amendment 1- Introduction of mesh-backed coating systems. Original standard UNE-EN ISO 21809-3-2016 A1-2021 in PDF full version. Additional info + preview on request
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Workplace air Metals and metalloids in airborne particles Requirements for evaluation of measuring procedures (ISO 21832:2018). Original standard UNE-EN ISO 21832-2021 in PDF full version. Additional info + preview on request
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Dentistry. Materials for dental instruments. Stainless steel. Original standard UNE-EN ISO 21850-1-2020 in PDF full version. Additional info + preview on request
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Microbiology of the food chain - Horizontal method for the determination of Vibrio spp. - Part 1: Detection of potentially enteropathogenic Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus (ISO 21872-1:2017). Original standard UNE-EN ISO 21872-1-2018 in PDF full version. Additional info + preview on request
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Stationary source emissions Determination of the mass concentration of ammonia Manual method (ISO 21877:2019). Original standard UNE-EN ISO 21877-2020 in PDF full version. Additional info + preview on request
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