弯头 DN 40-Sch4090ELMH-1.-1.6/56

DN40-Sch40 90ELMH-1.-1.6/56

nb/t47022 g600-2.5/FB=0(000-

47023FM650-1.0/FFSchF0-4.0N=800rf-11=b=6k=1

SO80-300RF

LWN 250-300 RF50rf60-1.6 h=

wn250-25rf s=8

SO 100(B)-16 RF

pl50(B)-16 rF

NB/T47021M1000-0.6am

pl40b)-6ff

BL 400(B)-16 FFF

PL100(B)-16 RF=1