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The agreement between PTB and DAkkS on the use of the "DKD mark" on calibration certificates has now been extended until 30 June 2021. This extension was necessary to completely cover the time needed for the conversion to the revised standard DIN EN ISO/IEC 17025:2018. This transition period now ends on 30 June 2021, because the DAkkS has extended the conversion period (see DAkkS News of...

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