Registration (0123, 4567, ...) <---
Sequence (01, 02, ...) <---
Package (012, 345, ...)
- Some Fachinfo can be assigned to some different registrations.
- Some Patinfo can be assigned to some different sequences.
- Registration manage active/deactive state of Fachinfo.
- Sequence manage active/deactive state of Patinfo.
- Some Patinfos have not descriptions, but PDF. (in this case, are there no Patinfo Document Object)
- Some Patinfos don't have descriptions and pdf. (empty Patinfo Object)