Jan 28 (Reuters) - dorsaVi Ltd DVL.AX :
* London underground expand use of visafe wearable tech
* Transport for London has signed its third and largest contract with dorsaVi
* Source text for Eikon ID:nASXbzLGWJ
Jan 28 (Reuters) - dorsaVi Ltd DVL.AX :
* London underground expand use of visafe wearable tech
* Transport for London has signed its third and largest contract with dorsaVi
* Source text for Eikon ID:nASXbzLGWJ