Nomenclature Primary Object Term
ElevatorNomenclature Primary Object Term
Switch, ElectricalNomenclature Sub-Class
Conveyance DevicesNomenclature Sub-Class
Electrical System ComponentsNomenclature Class
Building ComponentsNomenclature Class
Electrical & Magnetic T&ENomenclature Category
Category 01: Built Environment ObjectsNomenclature Category
Category 05: Tools & Equipment for Science & Technology