Reference materials in quality assurance of testing laboratories (NT TR 177)

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  • Report #: NT TR 177
  • Approved: February 1992
  • Author(s): Jukka Häyrynen, Heikki Kallio, Anna-Maija Kosonen
  • Hits: 5


Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.