HG/T 20592  法兰盖 BL 50-6 RF╠б┌п╒-1160 RF Sch1606 RF=5.5

BL 50-6 RF╠б┌п╒-1160 RF Sch1606 RF=5.5

BI 21950S=7.62 H1=12¸Žwn250(b)0(S-1.C-FM 500-1.6Sch40S3M s=6S56 RF6RJ

wn25(b)-16 mfmFFRF7 n=40-1.0/5 Sch4064RFRF-u0

wn80-25rf s=10.5 �forum-0E3DFrvF0rch16/1000-1.0Fmf¦

SO 32(B)-16 FF b=4

SP-2-5-6