1 Korea Research Institute of Standards and Science (KRISS), Daejeon, Republic of Korea 2 Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany 3 National Institute of Standards and Technology (NIST), Gaithersburg, United States… Click to show full abstract
1 Korea Research Institute of Standards and Science (KRISS), Daejeon, Republic of Korea 2 Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany 3 National Institute of Standards and Technology (NIST), Gaithersburg, United States of America 4 Centro Nacional de Metrologia (CENAM), Queretaro, Mexico 5 National Institute for Standards (NIS), Giza, Egypt 6 National Institute of Metrology (NIM), Beijing, P. R. of China 7 Istituto Nazionale di Ricerca Metrologica (INRIM), Torino, Italy 8 Centro Espanol de Metrologia (CEM), Madrid, Spain 9 All-Russian D.I.Mendeleev Research Institute for Metrology (VNIIM), St. Petersburg, Russia 10 Federal Institute of Metrology (METAS), Bern, Switzerland
               
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