| 名称 | ifc bridge expansion installation |
| 领域 | IFCRAIL |
| URL | http://cbims.org.cn/allscope/IFCRAIL-IfcBridgeExpansionInstallation |
| 分类编码 | IfcBridgeExpansionInstallation |
| 父类 | ifc rootifc productifc civil elementifc objectifc elementifc object definitionifc bridge element |
| 子类 | |
| 等价类 |