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TTB-250H
Overhead Projector
--Stage: 285×285mm
--Lamp: 24V250W halogen lamp
--Average illumination 1500 lumens
--Central illumination 2750 lumens
--275mm-320mm Vari-focal 3-element fringing
--Detachable post
--Pullout working stage
TTB-250Hc
Overhead Projector
--Stage: 285×285mm
--Lamp: 24V250W halogen lamp
--Average illumination 1500 lumens
--Central illumination 2750 lumens
--275mm-320mm Vari-focal 3-element fringing lens
--Detachable post
--Pullout working stage
--Quick lamp changer
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