NB/T 47021  法兰 FM 800-0.6u00c3/u00a3/data/src/public

SO 450-300 RF S=15

WN150B-25RF S=10

1 RF 350-1.6 δs=12

BL600-16rf

LWN20-150 RF SCH40

2 G 550-1

SW 1 1/2"-150 RF

LWN25-150 RF SCH40

WN 40-600 RF Sch120

47065.1 BI600-S/F5 RF8��аёў�J Sch10S)-10RF5 S=1)0S040mp49.F2-�а-6RF0 RF Sch160F b