HG/T 20592  法兰盖 BL 500-16 RF

ã£â‚¬ bl500-16 rf

BL15-150 RF5922155-100 h

WN 600-900 RJ B=pampa

lwn100-300 rf n/

PL100-10RF.2M.0=61┬mpRF050F/

wn 600-40 mFF0J52h160.h

WN FF 10K 80AT1FM40F0 RF S/ampampampa

WN15-63 RF S=4-10rf RF

3 FM 500-1.6 δ0=8b RJRF)-6Grpl10�.5 RJ-167