HG/T 20592  法兰盖 BL 50(B)-100 RF RJ�@ RF SJ40

BL50(B)-100 RF RJ�@ RF SJ40

WN80(B)-300 RF A=816/

PL3500-10 RFFC=8@RF@403IIF40h4rfor72-n25/ch60 RF�@RF@RF S=006 RFt

WN 400(B)-40 FM Sch40

5 RF 800-1.6 δ0=8

nb/@pl100(b)-16 rf

WN80-150RF

法兰WN200-25rJ

WN25(B)-16 RF S=5.5 S3160

WN40-16RFHG/0040