| ICBO | International Conference of Building Officals 
| Others |
| ICBO | International Conference of Building Official
| Others |
| ICBO | International Conference of Building Officials
| Others |
| ICBO | International Conference on Biomedical Ontologies
| Others |
| ICBO | International Conference on Biomedical Ontology
| Others |
| ICBO | International Congress of Behavioral Optometry
| Others |
| ICBO | International Congress of Behavioural Optometry
| Others |
| ICBO | International Council Of Building Officials
| Others |