HG/T 20592  法兰盖 BL 500-16 RFL64－15021S4-1

BL500-16 RFL64－15021S4-1

WN40-10 RF-6=-40 m/25

PL25-16RF2-2dat rf1=RF D=210

BL 150-16 RFF¢WN250B)-6 RF b0-150

wn32(b)-40 RF S=/data/src

PJ/SE 200(B)-16 RF S=3

wn200-300 rf s10f s=1

BL300-900 FM2.5/55-1100Fs.6 Ã00

WN 100(B)-25 RF S=5.5 RF

wn100(