NB/T 47023  法兰 FF 600-2.5nadm5S=-6a=45 f3=3 undefined=60 n=61

NB/T47023 FF600-2.5nadm5S=-6a=45 f3=3 undefined=60 n=61

PL80(B)-16 TJ

SO 32(B)-25 RF

wn80b-63rf s=6 RF

SO 80-300 G

47023 rf1500-0.6=70-1756 rf b=4 RF S=10S=8L=18 undefined=0 f1=0-1

SO125(A)-6RF 16Mn

pl 50(B)-25 RF b=

SO125A-150RF

SO150-40 Mfc4e000393