HG/T 20592  法兰盖 BL 65-25 RF)-10RF=RF S= B=22N201

BL 65-25 RF)-10RF=RF S= B=22N201

WN 1"-300 RF Sch40S

SO 14-150 RF.54010RF8f RF56 Dpl6002pkaFF(/120RFr00S62

wn20(a)-63 rf s=f/260F

WN 2"-600 RF

WN700(A)-16 RF

47022 c-rf 1200-1.00=5 h=300

WN 15-900 RJ Sch80

WN40-300 RF

WN80-300RFRF1000-0H1=