HG/T 21574  吊耳 SP-20

SP-20-300 rf S

WN600-300 RF ASME B16.5rf b1=2

bl200(b)-16 rf s=80

PL40-10 M8 s=28f b=20/u00c3/u008ww=F RF0RJF160 Frf H=1802-150F=1

PL 25(B)-16 RFF B=5960��п▌п═Б─)-16 RFS S=2.60(a)B)-16 RF HG/

wn65(B)-900 RF PL3

DN 90-Sch20 TSJ FM��77