HG/T 20592  法兰 WN 400-10 M S=900 RJ5-15

WN400-10 M S=900 RJ5-15

so600(B)-10RF2A=1B)T

WN 150-150 RF S=50

nb/t47022 m1200-1.6 -40

LWN 50-300 RF B=/j00-1.25p

wn1200-150 rf4RF S

BL 150-10 FF5 ╬┤=60 H0-6.4l25hb=3117-16F=1

WN 200(B)-10 RF S=5

SO50(B)-40 tnvoker/j/

SW20-900RF5R=5.50ch4F05 RF