Basic supporting structures of radioelectronic means. Part 2-4. Sectional specification. Interface co-ordination dimensions for the 25 mm equipment practice. Adaptation dimensions for subracks or chassis applicable in cabinets or racks in accordance with IEC 60297-3-100 (19 in)
In vitro diagnostic medical devices. Measurement of quantities in biological samples. Metrological traceability of values assigned to calibrators and control materials