NB/T 47065.1  支座 A 5082

47065.2 A5082

BL 250-10 RFR5 RJ2�1 S=28@RF0 Rg@Rh-ScFB)-25

47065.2 A638

47065.3 B8450

wn150-1500fm

WN80-25RF S=3. M63FM77.5 RJ-1671@Sc Sc

WN1000-300 RF sch40

BII 34382

WN 4"-150 RF Sch5276

WN 50-150 RF39085/ Sch4016@4 Rc=920 WN RJ SCH40S RF463