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ISO 7991:1987

Glass — Determination of coefficient of mean linear thermal expansion
26. 11. 1987.

Опште информације

90.93     11. 12. 2020.

ISO

ISO/TC 48/SC 7

Međunarodni standard

81.040.01  

engleski  

Kupovina

Objavljen

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Apstrakt

The method deals with the measurement of the change of length of a glass fibre under specified conditions. The apparatus including the used dilatometers and the possibilities of corretion, the formulae for the final length and the expansion coefficient are specified. In the annex, devices for self-adjusting alignment of specimen and push-rod axis are described and illustrated.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 7991:1987
90.93 Odluka o potvrđivanju standarda
11. 12. 2020.

Nacionalna preuzimanja

SRPS B.E8.310:1990  
ISS

Staklo - Određivanje koeficijenta srednjeg linearnog toplotnog širenja

90.93   Odluka o potvrđivanju standarda

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