HG/T 20592  法兰 SO 25-10 RF19

so25a-10rf19

SO 125-900 RF

SO 15-600 FM��F6

PL 80(B)-16 RF

SO 350(B)-10 FF

3 T 1000-1.0 δ0=10

SO 100-900 RF

WN80A-40MRp

SO 40(B)-16 RF

WN400-300 RF B=382h160=�@RF@4 Rch4400 RF Sch10Ssamp6@40ml6@47��s@ke4640RF.5°FS10R@R4Sc2@RF@443mm0@�22