HG/T 20592  法兰 PL 450-6 RF47/-15/600 RFh40 S=45 RFRF

PL450-6RF47/-15/600 RFh40 S=45 RFRF

WN100(B)-300RFP1h40 S/130600-19p/eke t-i86 R

WN RF 10K 25A Sch40S

PL 500(B)-16 RF20615/)-16mfF b=2=8-16/

PL 1200(B)-2.5 FF

SO50-10 RFMH=224.0inRcRF00-150 RF

WN 100-600 RJ S=10

WN80(B)-16RFS=7)

WN 50-600 RJ S=10

WN