HG/T 20592  法兰盖 BL 400-100 RJ=14)-1rjLFF0-000-6=1Kb1

BL400-100 RJ=14)-1rjLFF0-000-6=1Kb1

WN500-150 RF s=1220-16RF4.5u0SRs=90EL=2.5 d=33=2980 TA

WN600-25rf/0 BB=ch/4rbl1000-

SW 50(B)-16 G5l20FTf1=4. b1=22

bl100-25 mfmRa)-16r12B=231.620δs=1080000-0.mpam

47065.1 BⅠ1000-F=4 C=20 S=3=8

lwn25-600gK=RfFwR3