GB/T 12459  异径三通 DN 1050×1050×90-Sch40STR0bf

DN 90×90×1050-Sch40S TR0bf

DN 200-4 TS FMRvo��5F S=12.750 RF

PL65B-16RF3 C=17 b=320

HG/T20615 WN25-300MSF Sch

SO100-150 ff B=116.8

bi700-fh=3002-200950 RF Sch

PL250-10RF0 M RF S=3 RF S=3FM10 RF6 RF

PL 80(A)-6 RF406 BL FFⅠ-2012RF S=8CH

pl250(