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Meanings and definitions for IPK
What does IPK stand for? What does IPK mean?
- The International Prototype of the Kilogram (referred to by metrologists as the IPK; sometimes called the ur-kilogram, or urkilogram, particularly by German-language authors writing in English:30) is an object that was used to define the magnitude of the mass of the kilogram from 1889, when it replaced the Kilogramme des Archives, until 2019, when it was replaced by a new definition of the kilogram based on physical constants.
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