ISO 1:1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Standard reference temperature for industrial length measurements
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
15-11-2018
French, English
01-04-1975
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.
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