lazy answer ... like this
https://www.youtube.com/watch?v=XfBJfmtMIYMprobably could done like this either ...
https://www.youtube.com/watch?v=GRlXTbdz_rAprespray well and do most of the work with agitation using your and brush or drill brush , all u need then is a quick extract , parts of the one in your pic , the sides , back upright cushions i would probably just rub with clean towels after a quick spray and brush .
The marks for the hand tool could either be a series machine and certain metal tools getting too much suction and leaving lines at the edges ...or it could be a jet tool with the jet blasting a line at pressure ( andheat ) in the middle of the tool .