HG/T 20592  法兰 WN 600-63 RF90b=3 D=155 K=120 BB5 RJ-

WN600(A)-63RF90b=3 D=155 K=120 BB5 RJ-

bl450 -10 rfothg2000-ch30H=980F

PL65(B)-16 FF b=3 D=155 K=120 BB5 RJ-

WN150-63 m /u002.5F5RFaF5 RJa@R0592F90b=3 D=155 K=120 BB5 RJ-

PL350-6RF b390 RFpa@R0592F90b=3 D=155 K=120 BB5 RJ-

so400-16rf20592F90b=3 D=155