GB/T 12459  弯头 DN 40-Sch80S180EL

DN 40-Sch80S 180EL

WN150(B)-16RF S

PL100(B)-10fF26

WN50-40 RF S=7.0rumCH5

wn200-1500rj

BL 80(B)-300 RF

NB/T47023 FM1200-1

3 RF 900-1.0 δ0=10

wn 20-1500 rj

WN 500-16 RF S=10 RF B=Sch10SF S=4(B)-63A=1081champat;-300 RF Sch40Ss=8 FM Sch120470225FM-1=60