NB/T 47022  法兰 RF 700-1.(b)-16401

2RF700-1.(b)-16401

bl25-150rj6h=2600b)-0RF S=5 R

wn80b-16m

So25(a)-16 Fm S=40(b)

BL 400-25 MRFFF16

WN50(A)-300 MB=250RFF/-50rf-63F40-1sc.

pl300b-10rf b=5=61G6 RFu5-150rfm s=9=3.160fms

WN300-300MS=83FSfb1=

SO 20-300 RFFM)1640s H=346-10fmRF2000c3/00

4