Diskussion:Therm (Einheit)
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SI-Wert 2006
(Therm_EC = 105505585,262 Joule) The therm (EC) is legally defined in the Council Directive of 20 December 1979, Council of the European Communities (now the European Union, EU).
(Therm_US = 105480400 Joule) The therm (U.S.) is legally defined in the Federal Register of July 27, 1968. Although the therm (EC), which is based on the International Table Btu, is frequently used by engineers in the United States, the therm (U.S.) is the legal unit used by the U.S. natural gas industry. Ra-raisch (Diskussion) 14:16, 23. Sep. 2017 (CEST)
