HG/T 20592  法兰 PL 40(B)-16 RF20592500f580R

pl40(B)-16rf20592500f580R

DN125-PN10PL RF II00 RF Sch40S10/300( s/)-

SO100-600 RF

SO25(B)-25FM3 bRF150 R150RF00-010M500-1.0ch806 RF

wn600-600 RF B=5FM C=1S=10.0C=45

WN80-900 rj 916/-16 RFm.50

(B)WN40-25RF片Hfr0=15850f12f1sb

SO 50(B)-10 RF0-1

PL80(B)