NB/T 47065.1  支座 A 620SHG=380-40-300 RF=5

47065.3 A620SHG=380-40-300 RF=5

pl250(b)-25 rf b1=268f b=2 f1148.3=3.6R00-2am

WN80(A)-150FFAh82.5/4.018 bl150-6 rf s=10=22b.606b0

WN 600-25 RF B=586 RF16RFB)-16RFRFF B=027 HG/0sa

BL 250-300 RFfm1500f H=35

BL 20(B)-25 FMN=1204

WN250-25 MΓN350-600RJ&q