ASME B16.5-2020 管法兰和法兰管件(英文版).pdf

PipeFlangesandFlangedFittingsNPS½ThroughNPS24Metric/InchStandardANAMERICANNATIONALSTANDARDASMEB16.5-2020(RevisionofASMEB16.5-2017...