Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....CKED const PATCH_CODE const ISSN const ISMN const SUPPLEMENT...const UPCE const ISBN const ISSN const ISMN const STANDARD_2_OF_5...