Standard test method for impact resistance of poly vinyl chloride rigid profiles by means of a falling weight 落锤法测试硬质聚氯乙烯型材耐冲击性的标准试验方法
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Standard test method for determination of the impact resistance of thermoplastic pipe and fittings by means of a tup falling weight 用落锤法测定热塑性塑料管和配件耐冲击性的试验方法