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||The Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, is the national institute of natural and engineering sciences and the highest technical authority for metrology and physical safety engineering of the Federal Republic of Germany.
||Accreditation Body of the Germany Calibration Service with the Physikalisch-Technische Bundesanstalt.
||National Institute of Standards and Technology
||The UK's National Standards Laboratory for Physical Measurements
||National Institude of Advanced Industrial Science and Technology (AIST)
||CSIRO is Australia's Commonwealth Scientific and Industrial Research Organisation.
||The Istituto Nazionale di Ricerca Metrologica (INRIM) is a public research institution operating under the responsibility of the Ministry for Education, University and Research (MIUR).
||NRC, Canada's premier science and technology research organization, is a leader in scientific and technical research, the diffusion of technology and the dissemination of scientific and technical information.
|NMi - Netherlands
||NMi - Institute for metrology and technology - is a group of companies active in measurement, calibration, testing, certification, training and consulting related to metrology and technology.
||The Swiss Federal Office of Metrology and Accreditation (METAS) realizes and makes available internationally agreed units and standards at the accuracy required.
The world's largest international coil winding, insulation and electrical manufacturing exhibition
||The international exhibition for machinery and materials for the production of electrical motors, generators, transformers and winding.
Dortmund and Surroundings