31445350drafting instrumentsPT2026-03-30 20:59:56UF31445351drafting instrumentNDBT31420992drafting equipmentPTNT31445352parallel rulesPTNT31461733arcographsPTNT31461736conographsPTNT31461738centrolineadsPTNT31461740drafting compassesPTNT31461742drafting pensPTNT31461744drafting setsPTNT31461746drafting templatesPTNT31419831drafting trianglesPTNT31461748drafting wheelsPTNT31461750drawing boardsPTNT31461752drawing stylusesPTNT31461754eccentrolineadsPTNT31461756cycloidographsPTNT31461758cymographsPTNT31461760hyalographsPTNT31461762graduatorsPTNT31461764helicographsPTNT31461766lettering templatesPTNT31461768pencil compassesPTNT31461770odontographsPTNT31461772rhumboscopesPTNT31461774sectographsPTNT31461776wing compassesPTNT31461778ruling enginesPTRT31325325drafting instrument casesPT