Articles of glass having a linear coefficient of expansion <= 5 x 10 -6 per kelvin within a temperature range of 0°C to 300°C, n.e.s. (excl. glassware of fused quartz or other fused silica)
Izdelki, stekleni, drugje neomenjeni, iz stekla, ki ima linearni razteznostni koeficient do 5*10 (-6) po Kelvinu v temperaturnem obsegu 0°C do 300°C