NB/T 47021  法兰 C-RF 1400-1.0/20Оҙsв…Ў/

1 CRF 1400-1.020Оҙsв…Ў/

WN 80(B)-25 RF SCH40SB=5000=FFf.6

PL 300(B)-10 RFs16R0(B)-6 RF=1

WN 200-300 RF Sch20C04 C5 H=2050B00p

47023cfm1100-4.01

BL 65(B)-6 RF����RF6�J

PL 500(A)-10 RF

WN450-600 RF Sch40�h10�@TS

WN 150(A)-6