NB/T 47065.1  支座 BⅠ 168000-4.0/75FRJ402.5f

BI168000-4.0/75FRJ402.5f

so150-40rf hg/t 20

WN 400-600 RF S=11.150 S=7..4/RJ040RF Sch60/5 R

WN 25(A)-100 RF hg/

bl25-300 rf 16MnIIRF/

WN300-40MF Sc=240

lwn20-300 rf sch40 hg20615-2

pl32b-10rf hg/t205-2.5/6015

WN300(B)-10FM/δ3f3-1M600-=5f/F SCH40

WN2