HG/T 20592  法兰盖 BL 500-63 M

BL500-63 M

JWN 20x40-150 RF

SO80 -150 rfF857

BL80-1500RJ3e30

SW250-40 M

WN 80-150 FF S=9

TH150-10 RF

3 M 800-1.6RF S=426

IF50-40 T

PL65B-40M b=38- RF-1671=320F00J0SM0 280F13.ScSchRF8@RF8F0RF20--1500ervlF fM S=4@00F610 ذ“ز“ذ’�.0 δ=38 RJch