NB/T 47021  法兰 C-FM 500-0.6/2m50fF Sc K-150 RF sch8

47021 c-fm500-0.62m50fF Sc K-150 RF sch8

wn 300(b)-25 rf sï¼ 15 h1=816RFS

wn80(b)-16 rf s=5RRF-

pl32(a)-16 rf b=3 d=78 /u00c3/u0083/u00e2/data/src

so40(B)-40 rf6.300. δ=5600-

47021 C-FM 300-1.0 S0sutml4.0/64-

WN 32-150 RF Sch40SF21FR1.6 LSw

WN10