GB/T 12459  弯头 DN 125-Sch10S45E3Dh=67 Î0tF0a F

DN 125-Sch10S 45E3Dh=67 Î0tF0a F

法 兰 SO125B)-16 RFamp0sr0RF1000.05

wn25(b)-40rj0.0B6cH20SieR/106mpampamp0SFW

so450(a)-16 rf&ampampampampampampwd=&ampeqid

WN 1600(B)-16 RF S=14.27BF h

BI 600 w100- R520592-2009,s

PL250(B)-25 RF S=4

SO300-300