HG/T 20592  法兰盖 BL 1000-2.5 RF=3-150rf0ach40-6

BL1000-2.5RF=3-150rf0ach40-6

SO 6"-2500 RF

so 80-16 rF S00350 SO RF7110/@W6M@120r-01.6/

WN 20-600 RF S=S=4.5

WN50(B)-150 RF.0foru80300РІ

BL800(B)-10 MH=165аё

DN25-I-Sch80 45ELmp2555=/RFc6la82ch40

WN 150(A)-25 RF S=5 R

WN 350(B)-16 FM S=6f04a