HG/T 20592  法兰 WN 15(B)-6 FM S=3

WN 15(B)-6 FM S=3

LWN 25-300 RF B=2 RF Sc

SO24-900 RFRc0-1.0mmRFSCH40S rf@40@260RF Sch40 B

PL250-40rf804060 sch8Б

WN 50(B)-16 RFS=5.5

PL 80(B)-40 RF0 RF Sch80a pl65(b)

WN 150(B)-25 RF S=331

WN80(B)-16 RF666mpampampwd= FMSch80 rf)- S3040RF

NB/T47021