HG/T 20592  法兰盖 BL 600-16 FF415F601.0M3 FMB rf s0-

BL 600(A)-16 FF415F601.0M3 FMB rf s0-

DN 400-12.7 TS.2 b1 c=26

WN10-16RJ)50s1oFf26100Rs40S

WN40-300 RF Sch40t.0-140/u00SchS400-16RF

WN50(A)-100 RF 3/R8RFarf00-1.6

WN 300(B)-40 FM S=3

SO10B-10G5.06l3l42

WN 50-600 RJ Sch40S

SO50-150 RF B=26

PL65(b)-16R