GB/T 12459  弯头 DN 30-Sch80S90ES5/88-200=616n=h=j.5 A)-S=4

DN 30-Sch80S 90ES5/88-200=616n=h=j.5 A)-S=4

PL200(A)-10RFRF=815-1.6100-1.00-S=6if RF B=25502.6R

pl350(B)-25 RF0GRFδ=6 S1=685 k=15304iii5

lwn25-2500 rjf1=3=30 b=�TPB-3-5-RF6)-88F6 RF S=66 RF S=6Sch80 SCH80720 f0 RF0 rjRF

WN100(B)-63MF950=62040 B=42