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)
Methods for studying the effects of chemicals on the human body Test method using a removed chicken eye to determine chemicals that cause serious eye damage and chemicals that do not require classification as irritating or serious eye damage
