(subclass Multipole Model) | engineering.kif 315-315 | Multipole is a subclass of model |
(subclass Twopole Multipole) | engineering.kif 478-478 | Twopole is a subclass of multipole |
(subclass Fourpole Multipole) | engineering.kif 587-587 | Fourpole is a subclass of multipole |