HG/T 21574  吊耳 SP-70

SP-70696 WN RF SCH40=68RF6bFM ScRF2@RF@4 Rch4@4RJ RFSCH40 Sch7

WN 350-300RF B RFRF

PL50-10 RF H/f24x00c2FRF

3 RF 1600-4.0 δ0=28

WN25-16RF S=582 S0=J S=1

WN 300-25 RF S50 RF 8THKF BB=161097H=1150RF/a

So 40-300 RF6RF

WN 400(B)-16 Th40SS.5 rf

SO500B-16