| 名称 | ifc railway speed reducer |
| 领域 | IFCRAIL |
| URL | http://cbims.org.cn/allscope/IFCRAIL-IfcRailwaySpeedReducer |
| 分类编码 | IfcRailwaySpeedReducer |
| 父类 | ifc rootifc railway elementifc productifc civil elementifc railway speed control deviceifc objectifc elementifc object definition |
| 子类 | |
| 等价类 |