HG/T 20592  法兰 WN 25-63 FM1F2606fRF406B)-16 R

WN25A-63FM1F2606fRF406B)-16 R

B WN650-150 RF SCH40S

BL15-1500rf5M-6h/

SP-8-b)-F1h20-13f0ampampampam00-10 RF8¶-

SO 5"-600 RF

SO 50-150RF6RFMRF100 RF/-30-600rfH=172

PL450(B)-16 RF

2 FF 2200-0.620δ1=0

SO25B-25G40S1F.65100-300rf6 RF/�¤CH4F D=3