Metadata
Author: WikiMatrix
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English[en]
The scale was so firmly established that, by 1921, the remedy implemented by the American Petroleum Institute was to create the API gravity scale, recognizing the scale that was actually being used.
Spanish[es]
Para 1921, la escala había sido tan aceptada, que el Instituto Americano de Petroleo (API) creó la escala de gravedad API, la cual era la escala que venia siendo usada en la industria.