HG/T 20592  法兰 WN 600(B)-25 MS=C00-1.6S=0¢R-

WN600(B)-25MS=C00-1.6S=0¢R-

SO 80-150 RF245R0 RFRF B=608

wn100-40m S=3F50-16rf-6(b)-1

WN 20(B)-160 RJ A=27

PL150-10 RF S=5.50

BL60-300 RF

WN25-600 RF sc9u0

WN50-150 RF XXS-0-

WN300(b)-40 RF S=10a

bl200-10RF d=100�52006rf6 RFF S=6=6F3/S=-5r sc45�