Glass - viscosity and viscometric fixed points - part 3 : determination of viscosity by fibre elongation viscometer iso 7884 - 3 : 1987 玻璃.粘度和粘度固定点.第3部分:纤维伸长粘度计测定
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Viscosity and viscometric fixed points of glass - method for the determination of viscosity by fibre elongation viscometer 玻璃粘度和测定粘度固定点.第3部分:采用纤维拉伸粘度计对粘度的测定方法