HG/T 20592  法兰 PL 250-16 RF

PL250A-16 RF

BL 250-150 RF0-

BL 450-10 RF588FRF

wn80b-25rf s=4.5

so20b-150 rf0

支腿 A2 H0=500

pl65(b)-16rfhg/ s=5015N.hF)-0 150

DN 550-22.2 C0SF-

WN100-900 RF Sch409616 RF10@WN0s300rf40=78 h=165 n=422.5H=32 K=

WN 150-150 RF S=7.1m15lRFF P /美�R