法兰 WN 500-16 RF HG/T2059200 RF B=72.9 m1200-1

WN500-16 RF HG/T2059200 RF B=72.9 m1200-1

PL100(B)-16 RF D=22ch2/=3.5635 B1=535 n=16 C=2030

WN100-300 RF S=8tRF S=1RF)-161/

pl40(b)-16rf b=51.0=5 sch40 HfF Sch4052

WN 6"-150 RF Sch8

WN15-63M16RFF C

WN200(A)-16RF0

wn250-600 fm sch80s

法兰 WN6