HG/T 20592  法兰盖 BL 1000-6 RF-1=60 h=120b-

bl1000-6rf-1=60 h=120b-

BL 100-25 RF

WN200-40 RJMb FF5RF2@F9@RF689J@pl110RF00M20000S=3

wn25-150 rf a=34 h1=6

LWN15-150 RF B=14.1 H=150

WN 65-150 RF S=5ty8h8pampMc

WN 80-100 M620 n=12 L€”&ampampa

HP-2 РЁРҲР’В РЁСһВёШС�