計量計測機関/Related Organizations Metrology institutes GUM (Central Office of Measures) INTiBS (Institute of Low Temperature and Structure Research; Instytut Niskich Temperatur i Badan Strukturalnych) POLATOM (National Centre for Nuclear Research, Radioisotope Centre) NIT (National Institute of Telecommunications; Instytut Lacznosci) National legal metrology authorities Central Office of Measures (GUM) National accreditation bodies Polish Centre for Accreditation (PCA) National standards bodies Polish Committee for Standardization (PKN)