HG/T 20592  法兰盖 BL 50-6 RFFM04000/R N=1a0(B)-25

BL50-6RFFM04000/R N=1a0(B)-25

LWN450-600RFSC

PL550(A)-10 RFpampamp051=2.5 bb=42.RF.html

PL65A)-16 RF- Sc°â´116RFF300RF S=10-l

WN65-63RF S=4 D=235 H=65.6 /u0

3fm2100-1S-0.66rfF sch40@quch44 δ1=808-25

SO 450(B)-16 RFF=4.50=600R0000-

wn 600-300rf0R