GB/T 12459  同心异径管 DN 40×20-5RC@FF SC6-@40Hh40

DN 40×20-I-5 RC@FF SC6-@40Hh40

WN200-16 RJ00f/@bi 1000 ,S4 RF@40

WN200-300 RFFM S=5=45€Sch40s

LWN 50-150 RF B=52 H=180

WN 50(B)-16 RF1007

BL40-2500rj5RFSc s0 R0BS/005ch.4/9 hg(

WN65-63RF

WN 150-150 RFF-R01=1f s

47065.3 B6233

BI 8060180ELM10154516R