GB/T 12459  同心异径管 DN 65×32-Ⅱ-10RC5

DN 65×32-Ⅱ-10 RC5

SO 150(B)-16 RF

PL 500(B)-6 RF

WN 25-300 RF SCH80

PL 50(a)-10 RF

SO 1 1/4"-150 RF

WN250(B)-16 RF

WN50-150 RF S=5m

BL80-150 RF

WN500(B)-16 RF3.25 RF S0ELR S=350 RFfSCH40F.5 RJ R1cB00RSchF/0S=80Sch40S-600 SMSCH80-6-20-900 RJcF