This is Amendment 1 to ISO 31-5-1992 (Quantities and units — Part 1: Space and time Part 2: Periodic and related phenomena Part 3: Mechanics Part 4: Heat Part 5: Electricity and magnetism Part 6: Light and related electromagnetic radiations Part 7: Acoustics Part 8: Physical chemistry and molecular physics Part 9: Atomic and nuclear physics Part 10: Nuclear reactions and ionizing radiations Part 12: Characteristic numbers Part 13: Solid state physics
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