GB/T 12459  同心异径管 DN 1400×15-Ⅱ-12RC

DN 1400×15-Ⅱ-12 RC

wn20B)-25 RFm925 RF-1

BL100-300 RF/static/draw/'

DN 150-4 90ELa5-h40F560�

SO 80-300 RF

wn500-150rf sch40S=10R/0.2b1b=0-1.6/dataB)/86-1.6 Rh

PL100-25 RF HGat0-F0 f1…°|

SO 14"-300 RF

3c-ff 400-1.0351.56FRFF8-89.0-