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If you don't have AutoCAD you can view the CAD drawing and check measurements using the AutoCAD viewer
http://images.autodesk.com/adsk/images/lp_design_review_blk_276x38.gif!
http://usa.autodesk.com/adsk/servlet/index?id=12423405&siteID=123112&CMP=ILC-GN9219645015
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