HG/T 20592  法兰 IF 250-25 RFb=3 S=�20

IF 250-25 RFb=3 S=�20

WN25(A)-63 RJ D=150

WN 100-16 FM00D==0016rf.5100S0-600117.0.61

BI 800-5EM50)rf schFR-1o.RJ04Gs32.56�

SO 25B-40 T140 s=4 L=25150 RFп╕п═Б

TPB-3D=4/56-109=f

47023 fm1400-2.5

SO 32(B)-16 FF1

WN50-160M AA=57 S=5

SO600-300