HG/T 20592  法兰 PL 65-16 RF- Sc°â´116RFF300RF S=10-l

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 600-300rf0RJ-16072R0 RF C=20 螺FS=6400 RJ.1600

SO 20-150 RF7a=138FRJ SCH1h RF b=

pl32(b)-10rf30408