3M Model 1750 Overhead Projector Acetate OHP
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3M Overhead Projector OHP Model 1980 Good Working Order
3M 1610 Overhead Projector HK 4000-0036-8 B&H Photo Video
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3M 9800 Overhead Projector OHP Acetate Projector
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3M 9200 Overhead Projector Model 9000AJC Foldable Arm for sale online | eBay
Product Detail | kcda.org
Used Overhead Projector | CPR Computers
3M 9800 OHP Projector | eBay
3M Overhead Projector 9080 - Samy Stationery
File:Overhead projector 3M 02.JPG - Wikipedia
3M Folding Overhead Transparency Projector 9200 Needs Bulbs | eBay
3M 2000 AG Overhead Projector Portable Briefcase @ Pinehog - YouTube
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File:Overhead projector 3M 01.JPG - Wikimedia Commons
OVERHEAD PROJECTOR, 3M, type 299. Other - Miscellaneous - Auctionet
3M 1615 OHP
