HG/T 20592  法兰盖 BL 25(B)-16 RFb)-rfHG/Tmp

bl25b-16RFb)-rfHG/Tmp

WN 50-150 RF S=3.9116Rh40

PL350(B)-10 RF

WN 500(B)-16 RF Sch4045-1592EL M S=3

WN 65(B)-16 RF S=10

Bii 2200-10r52 K=12

BL400-150 RFs-l´s=6@a@470250RF)-F-16

wn150-150 rf s=4pamp;ampampampampa

pl500-25ff b=10

bl25-300 rfpampamsR