GB/T 12459  弯头 DN 32-Ⅱ-7.11180EL

DN 32-Ⅱ-7.11 180EL

WN500-25MFM

SO300B-16RF b=6

pL150-16 RF6rf1400-09F 2件15-25810-1.0 Sch80S/

47022 M700-150

47023rf800-4.0 RF

pl20(b)-6rf40p668 S=4.0R15 RF5RF A=1-0.FSCH15-FM25rf-1=R80Samp

WN 600(B)-25 RF Sch(b)-16rf

WN150-600RF S0-FS50-

WN 300(