The seven and the interdependency of their definitions | The and , once given special status, are now considered dimensionless derived units |
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It was renamed the " kelvin" symbol "K"; "kelvin" spelt with a lower case "k" in 1967 | 9747 of the for 1900 January 0 at 12 hours |
012 kilogram of carbon 12 | 012 kilogram of carbon 12 |
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The ordering of this table is such that any derived unit is based only on base units or derived units that precede it in the table | Interim 1960 : 1 650 763 |
Interim definitions are given only when there has been a significant difference in the definition.