HG/T 20592  法兰盖 BL 700-10 FF/02 K=/ RF4040

bl700-10 ff/02 K=/ RF4040

WN250-160M-1´=60 h

BL15-300 FFm s=4S=10-16RF

pl200-10rf b=30(B)-023 RF1000-1.0 �

wn500(B)-40 FF-60

wn300(B)-10 RF20RFs175 H10cr

WN 250(B)-25 RF S=925 RF RF

LWN 100-900 RJn70 RF2rF ASSch600oRF S=4F Sch40F1=0wn S=5-10

AXC-7