GB/T 12459  弯头 DN 150-5.690ES00 Sch40S�45EM R

DN 150-5.6 90ES00 Sch40S�45EM R

bl80a-150rf90-1.0 Ã-0.6/100-2

WN100-16RF38

so40(b)-25rfhg/Sch403/ rj sch40m

WN 500-16 RF S=20-s/@Rf sc/144-

PL600-25FM RF-2.5)-1rf-4-10 ffFh/u

WN600b-25rf310FFR6

BL450(B)-6 FM RF b

DN32-PN16 BL

BL15-150RFFHos=aР‘