NB/T 47065.1  支座 A 450-S0rf-2f1

RF A450-S0rf-2f1

DN 1400-Sch80S LJS

SO 50(B)-25 FMF0-=06-1F8Sch4040

SO 500-300 RF350-6r RF b=6h

PL200(B)-16 RF b=3x45 D=335

WN200-150RF40s2 -70 H=16S8 &B)0-12/FnB)100=400Sch8 B=5Sch

WN 100(B)-40RFRF.0 RF S2000

WN15-150RF 40SB

WN4"-150 RFRf S/