Acquisition Of General And Metallic Electrical Boards, According To Technical Specifications, Goal: Improvement Of The Educational Service In The I.E.S. San Salvador District Of Puno, Province Of Puno, Department Of Puno. - Acquisition Of General And Metallic Electrical Boards According To Eett For The Goal: Improvement Of The Educational Service In The I.E.S. San Salvador, - Puno District - Puno Province - Department Of Puno