HG/T 20592  法兰 SO 450(B)-10 RF f1=4 C

SO450(B)-10 RF f1=4 C

BL 25-300 RF0300-1.6 RF5F R1.6-1

WN25(B)-16RF s=409pl65(b)-

47023 FM2000-1.0/94-1950fb0 RFampmpam10rfrf2-=4 b=0@F.J�0-f/F2f1@6

B WN 36"-150 RF B=891.5

BL100-10FF

47023 fm 1000-4.0/100-195

SO 80(B)-16 RF

47023 FM2400-1.6/