https://digilab.ptb.de/dkd/refType/vocab/ Metrology Database German Calibration Service (DKD) metrology, reference types, digital calibration certificate, certificate of conformity German Calibration Service (DKD) 2023-06-19 en-US 2023-08-16 14:58:15 2023-09-06 07:29:57 refTypeTemplate 2023-08-16 14:58:15 2023-09-06 07:29:57 Note providing remarks (Hinweise) for making the meaning of the refType more clear to users.

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