Metrology Database German Calibration Service (DKD) Thomas Krah, Daniel Hutzschenreuter, Benjamin Gloger, Muhammed-Ali Demir, Moritz Jordan Deutscher Kalibrierdienst (German Calibration Service) metrology, reference types, digital calibration certificate, certificate of conformity 2023-06-19 2026-04-10 06:58:36 en-US basic Basic refTypes are terms commonly used across domains such as mass, force, etc. 2023-08-16 Created 2023-08-17 Changed refType identifier from 'refType basic' to 'basic'. 2023-08-16 14:31:132023-08-17 07:55:56