[www.staffempire.com]-ASME B16.47-2006大口径法兰.pdfVIP

LargeDiameterSteelFlangesNPS26ThroughNPS60Metric/InchStandardANAMERICANNATIONALSTANDARDASMEB16.47-2006(RevisionofASMEB16.47-1996)C...