HG/T 20592  法兰 PL 125(B)-16 RF R

PL 125(B)-16 RF R

PL300B)-6 RFS

PL500-10RF020F5F)- WN3200-1.6

SO 200-16 RF0F15

so150(b)-25g Sch80sf-4fSCH80

BL 80-300 RF=7400-16R

wn350-300rfsc20Ã0-0223 FM 6

wn65(b)-100 rf s/ F1.-1.Fظ€5-2

SO 300(B)-16 rf

2 FF 900-1.0 δ1=10 s=651=8.85c=1201/11K=