HG/T 20592  法兰盖 BL 250-40 RFFch40

BL250-40 RFFch40

BI 600e5/u0085

SO 50-150RF6R99F107047L0F01 R-16 rf

PL50(B)-10fm.6/

LWN20-300RFB=16RF

SP-1-30-6 DN5M0Sj00-100-2.56RF1015FSC6 RF SCHmp0-1.0F13ГғВ40 v-1-0.20 Rf5F0-1n35

SO 6"-150 RF40RF1

WN 20-300 RF Sch160 Rc000-1. )0.60-3

WN20