HG/T 20592  法兰盖 BL 100-16 RFS�ELF/SR0rj&a

BL100-16 RFS�ELF/SR0rj&a

3 FM500-1.6 δs=8

WN 300-16RFS=665 b

WN 300-150 RF S=4

lwn20-150 rf sch40s/5 B=88.9 N=117/

20592 bl300-16rfRF125

3 B8/+2/-0 D2 WN10000FMclass90040=21 L R1.6/84-1

3 FM 1500-1JSchBB)-4

WN 50-150 RF S=3

BL15-600 RF fMH=120L=1