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

2-dimensional ball-bar

2-Dimensional Bar Code

2-dimensional Bar Code Service

2-DOE five-bar mechanism

2-DOF five-bar mechanism

3 of 9 bar code

Ⅲ grade hot-rolled ribbed bar

Ⅲ grade reinforced bar

400 MPa Ⅲ Grade Reinforced Bar