HG/T 20592  法兰 WN 80-63 RF S=117-0.62013 WN 11

WN80-63 RF S=117-0.62013 WN 11

LWN 50-300 RFCH0(b)-1

Wn100b-40mh40.56 RF0RF-

wn80b-25rf s=4F8F SFF-15 R0-0.6î´

LWN15-150 RF H=16360 rf s=1115516RF/u00

wn15-150 ff SRFF0-150185O 61

pl350-16m5 /0/40-130B)-16R0c2700-0BL)25RF5/.5-5 ws=10 h1=12

SO 80