To copy single revisions select a revision in a project and use one of the mentioned copy options. Then, select an appropriate folder, e.g., a normal folder for documents, or a Field Set folder for Field Sets, and paste your copied revision into this folder.
The ITP/MDK Repository creates a new base object to hold the revision. This object is locked by the current user, and the copied revision is the in-development revision. This revision will get the revision number x.0, where x is the current major revision number of the project the revision is pasted into.
Note that single revision copy is;