HG/T 20592  法兰 PL 50(B)-6 RF

pl 50(b)-6 rf

SO 1 1/2"-2500 FFmp

2 FM 500-2.5 δ1=8

WN 20-300 FM Sch80S16 RFBL0.3316

SO 20(B)-16 RF

WN50(B)-25 RF

PL20A-6FF/t26 RF+0.1

PJ/RJ300(B)-10 RF

so20B)-25rfhtml0FMF0@R Rch44060fF50 Rch44060fF5

PL200-16FF RF S=8/1.0RF095 ru00a3/ S60f-10m