HG/T 21574  吊耳 SP-50

bâ… 500-s /@LWN100-150

pl350(b)-16ffrfWN RF�50RF5ph��&0@407.55r��5 RJ-1671@6RF74mpRRFDCalRF99���5 RJ-167RF4

WN50(B)-160 RF

wn100(b)-900rf

1 CRF 1800-0.25 δs=8

wn1000(B)-10 RF

SO 80(A)-10 RF b=60HG/F R

wn15- 63rf

1 RF 550-1.0 �