GB/T 12459  翻边短节 DN 1000-Ⅱ-4LJS

DN 1000-Ⅱ-4 LJS

DN200-PN400 WN

BL20-63RJRFrfH4

WN 10(B)-25 RF KRF Sch80

WN 10-900 RF00F Scpa

WN25(B)-100 g00a3/u0

PL25(A)-100FM1

pl500(B)-16 rF

wn15b)-100 rf

WN 250-150 RF Sch80/14010RF/1.6Fl150-25 RF5h=S H= S=8 RF S=5 Sch40F800-6.4RF S=4mp D=40