NB/T 47021  法兰 C-FF 900-0.6/900l

S47021 C-FF900-0.6900l

lwn 50-300 rf b=52 h

PL250A)-10 FF10RF´0=10RFpS/

PL 65-10 RF f1=3 C-150RFRF)-6 RFPL80

WN80-300RFG1.25 RFA=48.3 S=3.6 wn40(b)

WN200-100G-1.0/42-9501506 rf000393e30000Rampam

WN25-16 RF S=5mm

SO 15(A)-16 RF)-6F150

BL 200-40 RF=s