HG/T 20592  法兰 WN 300(B)-10 RF S=10.5=4

WN300B-10RF S=10.5=4

WN200-300RFS=9H1=16500RF

耳座 B3-I H=210

WN 1 1/2"-600 RF

2 M900-1.6/2

1 RF 1100-1 δs=6mpampNR009 WN150-30

WN 300(B)-10 RF S=6ampam

so80-25rj80n

SO 300-900 RF/50-150/l=2 pl6500 rf s=4/0oru1

2 FM 1300-1 RFH490 C=160.256151