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Benjamin Franklin / Bifocals / Aspheric lens / Camera lens / Corrective lenses / Optics / Lenses


Aspheric Plastic Executive Bifocal Microscopes GENERAL Based on the same principle as the High Add Executive Bifocal, the Aspheric Plastic Executive Bifocal Microscope has a bifocal segment that is actually a lens ground
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Document Date: 2014-10-15 09:08:55


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