HG/T 20592  法兰 PL 250(B)-16 RFF0R/2000GR2F4��Г⌡√PL500

Pl250b-16rfF0R/2000GR2F4��Г⌡√PL500

47023fm600-1.6/u-

SO 65(B)-16 RF164

WN 500-150 RF S=5.6

BL200-150 RF0-150-40 RF4 RF.F116r00R

BI 168

wn250-150rfsch0 S=5

1 CFM 800-0.60.00RF0

3 FM 1400-1.6 δ0=6554RFF/

WN50-150 RF5040fff3FFCH24A)-b)-16gC=14