Errrrr......if it's not a universal spin recovery, then how can it be standard?
The "standard" stall recovery from the PPL syllabus is universal. Using the phrase "standard" when talking about a spin recovery is misleading. Your example of the recovery technique developed for the Chipmunk isn't a good one as the Chipmunk ended up with a different technique to many other aircraft after several accidents where it didn't recover when following use of a 'more typical' recovery technique.