e/Content Sealed Format

Information
has gloss	eng: Content Sealed Format (DRM) (CSF) is a proprietary format created by the Informative Graphics Corporation for sharing electronic documents, images and CAD drawings in an encrypted format with embedded protection to permit visual operations on the files, such as time expiration, ability to print, copy, measure, view by layers, etc. It is also known as "Visual Rights".
lexicalization	eng: Content Sealed Format
instance of	c/Graphics file formats