HG/T 20592  法兰 WN 800(B)-10 RF S=10D=215

HG/T20592-2009 WN 800(B)-10 RF S=10D=215

WN 20(B)-16 RF S=3.5FM S=rf200- 35b=390 RF

3 FF 1400-1.64000Sch48“Т“Р–вҖҷР“Т

WN150-300RF B=148)-10RF2416R50-165g/tfm C=4/000000-1

BL15(B)-150 RF=1B)-=100s hRch80pch4

lwn500-600rjpld=100p430@25S0