NB/T 47023  法兰 FM 300-0.6/63FmlFRF

47023 FM300-0.663FmlFRF

WN 150(B)-25 RF S=8

SP-1or0- D=�F0â¬=1=

PL 80(B)-6 FF D=170 B=100 L=12

WN200-150RF-300 R1rf-1.0-1.0.4==36PRF Sch160FF22053II=3.g D=4F16ch40¶mf)-16t

WN200-150 RF Sch4000

A WN 700-900 RF S

WN 600(B)-10 RF96-40 th

PL600(B)-