HG/T 20592  法兰 SO 450(B)-10 RF S=5

SO 450(B)-10 RF S=5

47021fm600-0.66=12 t00a2.5RF.63 RF1024RFS=10RF b=1.0/

WN 1/2"-150 RF M S S0592-R9eS-R@A4Sc2@RF@443Sp

WN 300-300 RF-1.6-RF Sch40RFu00�¼ŒB=

PL250B-25RF

bl65-25FMRF70)S.hRF2-023

PL 100(B)-16 RF00 R0Rc=56RFR5 N=518 A=f b=4MF