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tek-02-K
  • EN 12952-5
  • EN 13480-4
  • EN 3834-2
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  • EN 1090-1
  • EN 1090-2
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  • AD 2000 HP0
  • EN ISO 3834-2
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tek-05
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  • ASME NPT Stamp
  • ASME NA Stamp
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tek
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  • ASME S Stamp
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  • National Board NB
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  • Directive (97/23/EC) Annex III, Module H/H1
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  • World Nuclear Association