HG/T 20592  法兰盖 BL 200-6 RF/public/wx/data

法兰盖BL500-40 RF

WN 200(B)-40 RF

pl15-16rj0900D50

WN50(B)-25RF

WN 150(B)-16 RF S=4

WN 80(B)-16 RF S=4

WN40-900RFs=6f0

SO 200-16 RF

WN 20"-150 RF Sch40S

WN100(a)-25RFph25 Ⅱ S=14 RF.380s).r RJ�o-R0RFF�00@00RSch2000 rFF7.52@ RF5 RJ RFFpaF