HG/T 21574  吊耳 SP-56

SP-56BF

SO 1"-150 RF

API 6A 5000PSI@S5 RJrvlet0M207 Sch/@55-R@0040S@SGRF.010=1

WN 20-300 RF

NB/T47022 FM1200-1.0

PL 700(B)-2.5 RF

SO 250-25 FMһX@b4@F Sch10S

SO 25(B)-16 RF

WN 40-100rf

BL450-40M00 RF��SGS01Scsp5 RJF/2@F000-R@rf3-SCRFG5 RJScF&@�