GB/T 12459  偏心异径管 DN 800×10-Sch10RE

DN 800×10-Sch10 RE

SO 80(B)-16 FF40 TS B

DN 150-Sch80S 90E3D

SO3"-150 RF80.5rfFF0 rf

SO20-40 FM.5F6/120 δ116)-

bl25-25 rf05/wso.6-0.2h3515AA sch60RFIh2h80 1

SO25-40G00-0.0f/5/PL6RJ5l@47

WN40-2500 FM Sch160/F100 R/5/0-0.62/ampampa

SO250-150rf0