STB PDF

Non-destructive testing of welds. Penetrant testing. Acceptance levels. Original standard UNE-EN ISO 23277-2015 in PDF full version. Additional info + preview on request

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Breathing system filters for anaesthetic and respiratory use. Salt test method to assess filtration performance. Original standard UNE-EN ISO 23328-1-2008 in PDF full version. Additional info + preview on request

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Breathing system filters for anaesthetic and respiratory use. Non-filtration aspects. Original standard UNE-EN ISO 23328-2-2009 in PDF full version. Additional info + preview on request

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Parallel pins of unhardened steel and austenitic stainless steel. Original standard UNE-EN ISO 2338-1998 in PDF full version. Additional info + preview on request

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Building information modelling and other digital processes used in construction. Methodology to describe, author and maintain properties in interconnected data dictionaries. Original standard UNE-EN ISO 23386-2020 in PDF full version. Additional info + preview on request

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Gauging of hexagon sockets. Original standard UNE-EN ISO 23429-2004 in PDF full version. Additional info + preview on request

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