HG/T 20592  法兰 SO 32(B)-10 FM12 я▐h40SF)-

so32(b)-10fm12 я▐h40SF)-

47021 fm550-0.6 я▐Б√░п

DN32-PN100 WN RJ Ⅱ S=4.5

DN20-PN100 WN RJ Ⅱ S=4.5

SO 25-16 RF sS3 TR000-0.612100-150rf26-ffX=

WN80-900 rf9 S=5.5150rfS�500-

BL500-40RF200-150 RF

3 CG 1400-6.420δ0=6ch160sch40 S=800

WN