HG/T 20592  法兰 WN 1000-16 RF S= RF)-10Rf3=3

WN1000(A)-16 RF S= RF)-10Rf3=3

47021 M 1600-0.25h8quotHG20615=1200/1â600592B=10u

BL65-25Mdef0=05.089rf RFF0k=1590b1=14

wn250-150rf s=12.5=S=3=30

WN 24"-300 RF S=14

PL 10(B)-10 M K=75 X=50 D=105 B=26 C=22 d=58 Y=51 L

WN 50-100 RF

BL 500-150 RF R