NB/T 47021  法兰 FM 1900-1.6/20δs=6RF0080/ B=27 H=15641

1 FM 1900-1.620δs=6RF0080/ B=27 H=15641

SO 24"-600 RFa=10r2.0A5(b)-25 rf s=3.05

PL50B-16RF

PL200-6RF b=3 s=4131 S=3.6ch60=140

WN300-300 RF Sch48�

47023 FM1200-1.6/6mpampa

2 M 1500-2.520δ1=14A)-16 RFurc.0CHpampam

SO150-300 FM(Ba-60

SO 50(B)-1