HG/T 20592  法兰盖 BL 40-10 FF4/9)-MлА

BL40(A)-10FF4/9)-MлА

PL 300(B)-16 RF b=5â�

BL 20-1500 RF5fR-0pampamp

wn600-300 rf s6

WN 25-1500 RJ Sch604b)-R6T206RF S=9.5b)-10rf-B I96FF140

LWN3"-300RF B=76.2 S=20.4 H=300 LT2FF.

A BL1000-300 RF/f b=2h80SRF050-1

wn15(b)-600m2/0615 wn400-

W