bar code， bar code reader

bar machine ice bar freezer

bar to bar insulation

bar to bar resistance

bar-to-bar test

bar-to-bar voltage

bar-to-bar voltage peak

five-bar linkages similar to four-bar linkages

15CrMoG bar

2 dimensions bar code

20Mn hot rolled bar steel

20MnSi reinforced bar

20MnSiV steel bar

220 kV bus-bar

2D bar code

2-D bar code

2-D bar code technology

2D-bar

2dimension bar code