NB/T 47065.1  支座 BⅠ 2220-90-0.6F RF

BI 2220-90-0.6F RF

WN80-300RFSCH4R=10/5Fs=f S=M

WN50B-63M29016/t201RF/50-190F Sch

WN80(A)-16 RF;-600 RF69=70 h=220700B-.55SmR

bl150-40RF¡Ã5-FRF10R

LWN20-150RF H=90 B=实心 N=35

WN80-600RFSch40/200-2.5 RF S=1 RF b=Sch80=300 RF=1250SRFD=

bl450-6