NB/T 47022  法兰 C-RF 300-0.6RFhread-

20592 C-RF300-0.6RFhread-

WN300-300 RF B=3014016 RFFb=059 wn200(b)-40

WN 400-2500 FF Sch160Sch60/00

LWN 80-300 RF SCH80 H=2200RFF/6RF6 RF RF/mpam=78 &

PL150-10 RF/6

SO200-25RF7.5 RF1g0 H=L

wn15-150 rf s=2.9 SC

PL 500(B)-16 RF D=2-

BI 500 5f00

WN20A