NB/T 47022  法兰 FF 650-1.6=5=500RF RFS5F@RF·آ5PLRF@F S22R@B0ï RcL R0 RF30005 RJ0F

2 FF 650-1.6=5=500RF RFS5F@RF·آ5PLRF@F S22R@B0ï RcL R0 RF30005 RJ0F

WN250-16RF160F50

WN 80(B)-40 RF S=4

3 FM 600-1.6/48-109ch40ScF&@�i

A BL800-600RFF-12RF

DN250/PN10/05B

BL500-150RF C=285=11ESF S

WN50-150RFS=300F

WN 125b-10RF

WN80(B)-16 RFB615F0