HG/T 20592  法兰 PL 100-16 RF6)-40 rf,

PL100-16RF6)-40 rf,

wn350-40 rfah.4

WN 80-150 RF

WN15B-40RFS=5280SSt

WN 300-40 RF Sch400Sch40fFhEFSf sch2S5 RJb�5 RF�@4�o@40(4RF4000-4

so 80(a)-25rf/0mF=10 n=8g2 b=5/F040 rf s=5/.0/

bl20(b)-10rf0-4.0RF

WN 25(B)-25 RF S=45EL/0(b)F-6RF300 RF Sc