DIN ISO 7884-7:1998 Glass - Viscosity and viscometric fixed points - Part 7: Determination of annealing point and strain point by beam bending (ISO 7884-7:1987)
1998DIN ISO 7884-7:1998-02 Glass - Viscosity and viscometric fixed points - Part 7: Determination of annealing point and strain point by beam bending (ISO 7884-7:1987)
1998DIN ISO 7884-7:1998 Glass - Viscosity and viscometric fixed points - Part 7: Determination of annealing point and strain point by beam bending (ISO 7884-7:1987)