Projekta Nr.ISO 1:1975
Nosaukums<p>The temperature is fixed at 20 degrees centigrade, i.e. a metre gauge with the indication: reference temperature 20 degrees centigrade has at 20 degrees centigrade the same length as the international prototype at 0 degree centigrade.</p>
Reģistrācijas numurs (WIID)3561
Darbības sfēra<p>The temperature is fixed at 20 degrees centigrade, i.e. a metre gauge with the indication: reference temperature 20 degrees centigrade has at 20 degrees centigrade the same length as the international prototype at 0 degree centigrade.</p>
StatussAtcelts
ICS grupa17.040.10