NB/T 47021  法兰 C-FM 350-1-1=a├0Sch40� RF/500-1.016

47021 c-fm350-1-1=a├0Sch40� RF/500-1.016

TPB-3502SD=0S)2.5 ÃS0FF900-

WN500-300 RF0)=60 h

PL200(B)-6MF rF606 R16RH401082.5/0-1rf s=5612127-6

LJ FF 10K 50A

PL400b-16RF=72411LmFF

WN 100B)-25RF40S40mp655u00c6/RF83rjSC

WN 16-600 RF5- sch40

SO 100