GB/T 12459  弯头 DN 1300-Ⅱ-490EL�cht0R6rAFF1.0ch404

DN 1300-Ⅱ-4 90EL�cht0R6rAFF1.0ch404

wn200a-25m s=R80XS30

so 80-150 rf sc

DN 25-8 90EL1.51.RFВ°m4RFS=10

PL350-16RF1450S1RF-1.F200MFFSR S RF

SO450(B)-25RFS=160Som_sha

47021 c-rf1000-0.6&ampwd=&eqid=afb385890003581

SO080(B)-16RF304=m/25 R4

BL80