GB/T 12459  弯头 DN 25-Ⅱ-3180ELF B=S

DN 25-Ⅱ-3 180ELF B=S

3 M 1000-0.620δ0=12

DN 1500×1100-Ⅱ-10 RCљв

TPB-3 DN=1400 δ=10 S1=.5-/=�¥â€¦j1

AWN 600-150 RF Sch10SF11-25 RF L=10

WN 100-1500 RJ.0h0 20/0F0 wn350 L=

WN25-300 RFS=00aFnbsp/4-4R4.0/wn25-p

wn300(a)-10RF(040 A=

WN300-