HG/T 20592  法兰 WN 125(B)-63 RF S=65 H

wn125b-63RF S=65 H

LWN 40-150 RF B=384 s D=rjb03=h B6RF115re/ RF=516 RFF0

DN 200×200×10-Sch120 TR

3 FM 500-1.0tu00e5/u0085

47023 RF2200-1.0/120-21400

2 FM 800-0.620δ1=868-15c

WN 20(B)-40 RF S=6-15

pl50-16ff D=130S/Sâb)-ÃF 20615-50rfB)-16 RF S

SO