Bidding Announcement Of: General Secretariat Of The State Agency Higher Council For Scientific Research. Object: Supply And Installation Of A Direct Vision Chamber Of Electrons In Ultra High Vacuum In The Elmitec Leem Iii Microscope Of The "Ramón Gancedo" Characterization Service Of The Blas Cabrera Physical Chemistry Institute Of The State Agency Higher Council For Scientific Research (Csic). File: 33448/25.