HG/T 20592  法兰 WN 50-63 FM S=4 A=60

WN 50(A)-63 FM S=4 A=60

wn40-2500rj h1=F-27560Fw.hgc=

wn800(b)-10 rf s=040

BL 3"-150 FF d= L=19.5 O=19

bl20-150RF Sch40300RF0rfK= L= n= BB)-16R

47023 fm 800-1.

pl250-10rfS405k=00 RJ rRF009216FMB

47022 C-M600-4.0-

BL 600(B)-16 RF D=1125 K=

bl20-1