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Looking-glasses about extended field of vision are destined to the inspection and the supervision: smaller areas of halls, shops, conveyors, machines, cash boxes etc.
Looking-glasses executed from the float glass with the vacuum-technique. The high grade of the wide-angle image. They are glued with the preservative leaf. The casing is performed from the shock resistant material.
Looking-glasses of the type LSO appear in measurements:
* Ø 350mm
* Ø 440mm
* Ø 525mm
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