HG/T 20592  法兰盖 BL 250-63 TSch160S/11Fcs

BL250-63TSch160S/11Fcs

3 FM 500-6.4 δ0=12

SO 50-16 RF

wn80-16rf s6

pl 80(b)-6 rf/1

LWN 40-300RF Sch.40 H=211/0

WN 600(A)-10 RF S RF0RF R

BL4"-150 RF

WN80-1500RJ B=

WN 500-16 RF Sch40S�п▒Б√└Б∙10-580R00 RJ Sch40S Bb1=726 k=8400RF B=332