GB/T 12459  异径三通 DN 600×600×40-Sch100TR13SR60Sch2/rfб═ь�

DN 40×40×600-Sch100 TR13SR60Sch2/rfб═ь�

bl50-600 rf s/2011400(S0sHF.59

WN400-40M D=

SO 40(B)-16 RFFB)RFFSmpa02/RF3138653

pl 150-6RF00025-4RF

WN15(B)-160RF R

WN20-2500 RF Sch406F00 SCH40ht1-)-M RF Sch600-3RFB)-6R

LWN1"-600RF B=27 H

bi 140