GB/T 12459  弯头 DN 25-Sch80S90ESh30e)-

DN 25-Sch80S 90ESh30e)-

SO500(B)-16 RF)

WN400-900RF83.3 H=1826H20-110hg00(RF sch4000

bl250-25fm400-1.6FB-6RF60 RaampampampnbspSF S s RFf0-3

PL65-10 RF HG/T20592-150RF S=170cL8F

bl200-16RFFF0 RF(B)-4F0

PL 300(B)-6 RF S=3.5

wn80b-25 m5(BrfM08

SO 65-15