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Zertifizierung – ift FEM – QM 339
When calculating heat transfer coefficients, the manufacturer may determine properties, the determination of which is the task of a notified test centre, on his own responsibility using tabular values or calculations. However, the basis for determining the properties must be verified by the same notified body.
Normenportal Fenster – Türen – Tore
Rechtssicherheit mit dem Normenportal Fenster – Türen – Tore des ift Rosenheim und der DIN Media GmbH