HG/T 20592  法兰盖 BL 125-16 G4�mpam8F

bl125(a)-16 g4�mpam8F

PJ/SE450(B)-6 RF

SO 200-600 RF/95-179½8h

SO 40-150 RF403/504sn1 d=851æ—&

2 RF 600-1.60=12F6

2 CRF 1100-1.6 خ´1=

SO 50(B)-10 RF=66-F1fsfs0 k=74060rf0-6 WN21050/d

WN 25(B)-16 RF

SW1000(B)-16 RFf5SD6 D=7278f8f0F

WN50-150