Plastics piping systems . thermoplastics valves . test method for the integrity of a valve after an external blow 塑料管道系统.热塑性塑料阀门.外部冲击后阀门完好性的试验方法
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Plastics piping systems - thermoplastics valves - test method for the integrity of a valve after an external blow 塑料管道系统.热塑性阀门.经过外部冲击后阀门的完整性试验方法
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Plastics piping systems - thermoplastics valves - test method for the integrity of a valve after an external blow ; german version en 1705 : 1996 塑料管道系统.热塑阀门.外部冲击后阀门完好性试验方
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Plastics piping systems - thermoplastics valves - test method for the integrity of a valve after temperature cycling under bending 塑料管道系统.热塑料管阀.弯曲情况下温度循环后阀门完整性的试验方法
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Plastics piping systems . thermoplastics valves . test method for the integrity of a valve after temperature cycling under bending 塑料管道系统.热塑性塑料阀门.受弯曲作用的温度周期变化后阀门完好性的试验方法