| 名称 | ifc duct silencer type |
| 领域 | IFCRAIL |
| URL | http://cbims.org.cn/allscope/IFCRAIL-IfcDuctSilencerType |
| 分类编码 | IfcDuctSilencerType |
| 父类 | ifc element typeifc distribution element typeifc flow treatment device typeifc distribution flow element typeifc rootifc type objectifc object definitionifc type product |
| 子类 | |
| 等价类 | IFCROAD:ifc duct silencer type |