HG/T 20592  法兰盖 BL 150-40 G-1-900 L0 RFRF10�77.5 RJS57F0056

BL150-40G-1-900 L0 RFRF10�77.5 RJS57F0056

wn25B-63MF)-154-195T0450-4.054.R.5

BL50-63MFMh).5.6

wn20-300G A=25 D=105 f2=3 undefined=

SW 25-300 T21210R1=SSch4rf

SO 3/4"-150 RFWN25-4.7 S=6RFR9b1=

WN300-150RFA=325S=10

PL65(B)-6FF56rF D=1= MX=Y

bl25