STD.ASME PTC12.2-EN6L19980759b6700605005509AMERICANASMEPTC12.2-1998(Revision of ANSI/ASMEPTC12.21983)PerformanceTest Code onSteam SurfaceCondensersPERFORMANCETEST CODES了en3iee0303c8明0h2:3882a8ina38No reproduction or netrorking pemmitted without icerse from IHSNat for Resale