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Units accepted for use with the SI: an example, the litre
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SI prefixes
Unit symbols and numbers
Unit names
Units accepted for use with the SI: an example, the litre
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SI brochure, Appendix 1, section 4.4


 
3rd CGPM, 1901: declaration concerning the definition of the litre

Note: This definition was abrogated by the 12th CGPM (1964, Resolution 6, see below).

 
11th CGPM, 1960, Resolution 13: cubic decimetre and litre

 
CIPM, 1961, Recommendation (PV, 29, 34): cubic decimetre and litre

 
12th CGPM, 1964, Resolution 6: litre

 
16th CGPM, 1979, Resolution 6: symbols for the litre

Note: The CIPM, in 1990, considered that it was still too early to choose a single symbol for the litre.