GB/T 12459  异径三通 DN 450×450×15-Sch10STR

DN 15×15×450-Sch10S TR

WN350-63RJ0Fmf9.60RF641.FRF1/u063fm(B) H=146rf4.3 C=26 H45 g=18r6B1.0rf9000F150

LWN 250-2500 RJ B=2195205

WN80-300 RF�

WN 15(B)-63 FM S=5

DN50 PL25-16 RFF/t9.6 h1=7-9B-600f-2

SO 20-150FMum.ht6h460fm700

BI 2000ã/6/fot

PL15-