HG/T 20592  法兰盖 BL 150-16 RF SCH40S S801000/884-H=2.02hsFii┴п═я∙п▌п═�

BL150-16RF SCH40S S801000/884-H=2.02hsFii┴п═я∙п▌п═�

WN25-600RJR

WN 25-2500 RJ Sch160)-10mpaS-40 RF

bl20-900tf RF S=20EL0/000-1.300 R

SO 80-300 M0==7M354545 RFFF0.6f460R7023m3 s=0G=204brfrf6RF0-RF

wn65b-40fm s=0 s=8f6…

47023 fm