GB/T 29465  法兰 FF 900-4.0 δ0=16

5 FF 900-4.0 δ0=16

1 CRF 650-1.0 δs05 f/1

wn350(b)-150rf b=327.6

WN300(B)-25 RF S=6.

WN 25(B)-16 RF S=40p

1 rf1200-0.25 п©Б∙╒п▒Б┬ Б√⌠я▐Б■°п▒Б┬≥Б√▓п©Б∙╒п▒

WN 25(B)-16 RF S=5 RJ Sch40SRF f1@В°443Sc