The software application published by BCT that features "ACLASS_3D_SEARCH_NU" is likely related to the BCT (Building Communication Technology) software suite used for building and construction project management. "ACLASS_3D_SEARCH_NU" typically refers to a specific module or file within the software that is likely used for 3D search functionality.
"ACLASS_3D_SEARCH_NU" is generally part of a module that allows users to perform advanced searches