HG/T 20592  法兰 IF 1000-25 RF H=210

IF1000-25 RF H=210

PJ/SE 150(A)-10 RF S=7

SO 4"-150 RF

WN 50-300 RF Sch40S

WN350-16RJF

SO200-150RF

PL 50(B)-16 RF

SW 50(B)-16 RF

1 RF 1500-0.25 δs=10

PJ/SE 150(B)-10 RF S=7ch10S20DMR11B-150 FF S=10G Ⅱ RF@R@ccuo.25-1-6Fsch805o.25-RFPSf scF.0@R