Glass - viscosity and viscometric fixed points - part 4 : determination of viscosity by beam bending iso 7884 - 4 : 1987 玻璃.粘度和粘度固定点.第4部分:射线束弯曲法测定粘
2.
Viscosity and viscometric fixed points of glass - method for the determination of viscosity by beam bending 玻璃粘度和测定粘度固定点.第4部分:采用射束弯曲法对粘度的测定方法
3.
Glass - viscosity and viscometric fixed points - part 7 : determination of annealing point and strain point by beam bending iso 7884 - 7 : 1987 玻璃.粘度和粘度固定点.第7部分:射线束弯曲法测定退
4.
Viscosity and viscometric fixed points of glass - method for the determination of annealing point and strain point by beam bending 玻璃粘度和测定粘度固定点.第7部分:采用射束弯曲法对退火点和应力点的测定方法