HG/T 20592  法兰盖 BL 40-25 RF s6 RF0 RFF

bl40-25 rf s6 RF0 RFF

pl500-40rjB1

WN150-150 RF H=151

PJ/RJ450-16 RF

WN 150(B)-16 RF S=10

PL400(B)-10 RFch4

PL450-10 RF An4paC.54

HP-1-23.5РўУҳ5 RJH

SO 40-150 RF-4/h4

47065.2 A1RF S-s/@wnF040RR1@яПН5..016p@ТАF5@PFFt06p@ТАF5@PFFt Std9@45@0-