HG/T 20592  法兰盖 BL 150-10 RFscF.6F16RFF5 RFCH406-1.300-f

BL150-10RFscF.6F16RFF5 RFCH406-1.300-f

23 M500-1.6/5

SO 40-300RFi1M.5/A=0-12=F2/1-15m615r0 RJ S=4250s=4S=1H80S

WN150B-150 RF S=10.97AA=89

WN 80-1500 FM Sch80S6.421

so500-16rfhg58mp00-1

WN25-1500rf/0-

WN150-150 RF H=89 S=146/F

SO20-300RFF100r

SO 150-