NB/T 47065.1  支座 A 1221

47065.4 A1221

WN80(B)-16 RF5541

PL100(B)-16 RF2830

WN 50(B)-16 RF3193

WN80(B)-16 RF41623

DN100/PN16/13A/

WN 50(B)-16 RF5024

SO 200-150 RF

WN80(B)-16 RF9340

SO 350-150 RF-16 rf898748WN RF Sch00 RF Sch40SRF010RF0-R@rf3 Sc9562)-1 RF265405)-16RFrF485FS5m