GB/T 12459  同心异径管 DN 40×32-Sch10SRCRFHG/T5000 RB)

DN 40×32-Sch10S RCRFHG/T5000 RB)

wn65-16mf5 b=70-

WN25-160G25RF

20592 WN 150(A)-16 RF8°F5@P10040S2.5Â)-0cF0/48

WN80(B)-150 RF S=-4.06

bl20b-10rf/6=48SfsFf6 Ã

wn10-16gF Sc022Cr17N512.7

NB/T47021 M800-1.0/70f115

PL150(B)-25RFS=14.F=5

LWN20-900 R