Plastics piping systems - Pressure systems for hot and cold water - Test method for leaktightness under vacuum (First Edition)
中国标准分类号: Q(建材) ; Q81(供水、排水器材设备) | 发布日期:2011-11-01 实施日期:2011-11-01
发布日期:2011-11-01
发布日期:2010-03-05
Plastics piping systems. Pressure systems for hot and cold water. Test method for leaktightness under vacuum
实施日期:2010-03-02
Plastics piping systems. Pressure systems for hot and cold water. Test method for leaktightness under vacuum
实施日期:2010-03-02
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