弯头 DN 20-Sch80S90ELR

DN 20-Sch80S 90ELR

HG20623 AWN750-150 RF

LWN300-300 RF

法兰WN100-63RJ 325-/

BII 1000 h=300 l100-6.4/17=60 C=89*3/

SO65-150RF B=7

TPB-3F rjrf-16rf650F2/

wn450b-16rfF

HG/T20592-2009BL200-16 RF/

47021M600-0.6

WN150-150RF S=14

47021C-RF800-0.6=