design specification of stop valve:GB/T12235,Structure Length GB/T12221,joint flange JB/T79, Test and InspectionJB/T9092,Pressure and TemperatureGB/T9131,Product IDGB/T12220,Supply specification JB/T7928
Stop valve
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Stop valve detailed design specification of stop valve:GB/T12235,Structure Length GB/T12221,joint flange JB/T79, Test and InspectionJB/T9092,Pressure and TemperatureGB/T9131,Product IDGB/T12220,Supply specification JB/T7928 |