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I downloaded the pdf of a manual for a Genie garage door opener, looking for the part number of a replacement part. There is an exploded view of the opener with an accompanying table. When viewed in Reader DC or in WPS office, the part number column in the table is missing (as well as table borders). Viewed in the Opera browser, however, the table is complete with part numbers and borders. There are other differences in the document as well. Attached files show both versions. Why is this happening?
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