HG/T 20592  法兰盖 BL 500-16 G/30-27-5.56 RF S=4.5-16 RF S=4.& PL100(F3M50-1

bl500-16 g/30-27-5.56 RF S=4.5-16 RF S=4.& PL100(F3M50-1

WN25B-10RF6 RF0 RFF RF0080(pamp

WN 80-300 fm1g=30S

HP-5rf sch80 h1620-300 M

wn80-300m b/401(b)-fpam12m/chM0-1. r

WN 150(B)-25 RF S=25

WN80(B)-300RJrjch45600rj

wn600-300rf hg/=1

pl15b-6RF 1-1

so