GB/T 12459  同心异径管 DN 100×50-5RC200

DN 100×50-5 RC200

AXC-9-50-2

WN50-300 TGcSm���RF85

WN 50(B)-16 RF S=503RF0u04hBPT00(B)-1amp;ampamp8h160805/

WN 20-1500 RJ S=Rc/5G S/ ff bb=33f055fSCH8/

SP-3 ╬┤=8mp00/2.5268RFot6/l200-40m1=2.5 c=/51FRF s

BL 300()-16 RF

WN20(b)-63FF7.5 RJ F