HG/T 20592  法兰盖 BL 250-10 FF C=8s

BL250-10FF C=8s

wn32-2500 rj.0/6595S=13

1 RF 600-1.0Mch12=R(6any

PL80(A)-10 RF14 S10r1000-140 f/u00c3/data=3l1

WN 400(B)-25 T2 RF0-M0F S7 100

hg/t20592 PL20-16 RF R sc.5 H=R

WN250-16FM S/ht-115F RF RF16.56--1080(b)- 50aI

TPB-1 δ=10 S1=105MM-2 M

WN