HG/T 20592  法兰 WN 600-16 RF s=5.

wn600-16 rf s=5.

wn40b-63rfs=5.5180 b=m &q)-900rj &

BL300-150 RF8F5.

BL80-150 RF47023 RF10-RF.0180E)-RF-179.

3 CRF 1000-4.020δ0=187114ampRF702i506 r0=15 S=5

wn150-150rf,s=8pam

BL600-300 RF Sch80 H=2990R3595

pL50-16RF=-2.

wn250-100mJSch4093 C=300-

W