[www.staffempire.com]-ASME B16.42-1998 球墨铸铁管法兰和法兰管件 150和300磅级.pdfVIP

TheAmericanSocietyofMechanicalEngineersOUeTllEIRONPIPEFLANGESANDFlANllEDFITTINGSClasses150and300(Revision01ASMUANSIB16.42-1987)Dat...