Bidding Announcement Of: General Secretariat Of The State Agency Higher Council For Scientific Research. Object: Supply And Installation Of An Analysis Platform Composed Of An Xta-Stheta X-Ray Diffractometer With Bragg-Bornano Geometry And A Sequential X-Ray Fluorescence Spectrometer, Aimed At The Andalusian Institute Of Earth Sciences Of The State Agency Higher Council For Scientific Research. File: 33750/25.