Testing methods for rubber and plastics hoses - part 8 : hydraulic - pressure impulse test without flexing 橡胶和塑料软管的测试方法.第8部分:无挠曲的液压脉冲试验
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Plastics piping systems . glass - reinforced thermosetting plastics pipes . test method to prove the resistance to initial ring deflection 塑料管道系统.玻璃纤维增强式热固塑料管件.检验初始环挠曲的试验方法
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Plastics piping systems - glass - reinforced thermosetting plastics pipes - test method to prove the resistance to initial ring deflection 塑料管道系统.玻璃增强的热固性塑料管.验证抗初期环状物挠曲的试验方法