HG/T 20592  法兰 SO 500-10 FF-1.6650596 hg�°s00-1.6 Sch40R

sso500-10ff-1.6650596 hg�°s00-1.6 Sch40R

HP1-3 DN=1000 п╦п▒п╔б▓п60RF

WN100- 100m25 RF B��¿ffCRF

WN 250(B)-16 RF S=60

WN 50-16 RF S=3.5

3 M 500-6.4 δ

WN25-1500RJп╢Б√▒п╣Б∙╙я├Б■▄п╠Б∙≤п╢Б√▒п