HG/T 20592  法兰盖 BL 100-16 M)- S=16M数量=2件S304

BL100-16M)- S=16M数量=2件S304

1 CRF 400-1.000-25 rfî´s =8m63=16B)-16 RFFf8/-0.6/6

WN80-63RFS=7

BL40-63 m/d=56H-f R/B= L=1 RF0/ S=5f0rf-100rj6

WN25-150 RF RF

WN350(B)-16GF0-6RFRF09opp50get=1

SO 100-150 RFL=2504815 RF S=1240S)0-1.6/F6 RF

NB/T47023