NB/T 47023  法兰 RF 800-1.0 δ0=10

3 RF 800-1.0 δ0=10

wn100(b)-100 mfch4011000-0R4-1/6

WN 40(B)-16 M S

47023 fm1500-1

WN 24"-150 RF S=10

WN 32(B)-63 RF S=3

WN 80-300 RF B=73

47023 RF2000-0.6RF0o500-1

3fm1300-1.0/78-150

WN80-16 RFS=620 AA=11PT-/mp080/F00-6.4-28580616rRF rF S RF-