HG/T 20592  法兰 WN 50(B)-16 RFh80S0RM

wn50B)-16RFh80S0RM

BL250-300RF120S=5f33RF S/40-1020-2-02

nb/t47023 m700-1.6

SO 100(B)-10 RF=/Ffor000FM M S

WN250(B)-25RF S=6r

BII 5800)-16

PL100(B)-16 RF

wn 20(b)-25 rf° so25(b)-6rf rf d=3

WN 150-150 RF S=400000

47023 RF1500-2.5-2)-b=2MS=4mm086R00-h