作废
BS EN 12107-1998 塑料管道系统.压注热塑管件,阀门和辅助设备.管道组件压注用热塑材料的长期液压强度的测定Plastics piping systems - Injection-moulded thermoplastics fittings, valves and ancillary equipment - Determination of the long-term hydrostatic strength of thermoplastics materials for injection moulding of piping components