NB/T 47023  法兰 FM 2200-4L=SCH40S00FMS

3fm2200-4L=SCH40S00FMS

SO 200(B)-10 RFfff /u0h400 r)-

pl50()-25 g5060-1f sRF0hCH400/h

WN200-600RF D=415oruFB)-1

PL 25(B)-16 FF.14ampampampampampam

hg/t20592 wn80-160g

WN 4"-150 RF Sch2500rj5.72.5/ï؟½ff bb

SO 80(A)-6 FFh1016rS=10

PL 200(B)-2