BIMobject 類別暖通空调 - 管路
IFC 分類风管管件
ETIM 代碼EG015540
ETIM 名稱Fittings, flanges and connectors
Uniclass 2015 代碼Pr_65_65_25
Uniclass 2015 說明Ductwork and fittings
CSI MasterFormat 2014 代碼23 31 13.19
CSI MasterFormat 2014 標題Metal Duct Fittings
OmniClass 編號23-33 49 00
OmniClass 標題HVAC Ductwork