| 名称 | ifc beam falling prevention device |
| 领域 | IFCRAIL |
| URL | http://cbims.org.cn/allscope/IFCRAIL-IfcBeamFallingPreventionDevice |
| 分类编码 | IfcBeamFallingPreventionDevice |
| 父类 | ifc rootifc productifc civil elementifc civil element assemblyifc objectifc elementifc bridge element assemblyifc object definition |
| 子类 | |
| 等价类 |