For cookers and ovens the model number is usually found inside the door on the main body of the cooker. Where the hob is separate, the model number is normally found on the underside of the hob. You may be able to get access by removing the oven from the unit, if built in underneath.
eBay
eBay
eBay
eBay
B57CR22G0B/62, B6ACM7AH0/50, B57VS24N0B/30.
eBay
eBay
Built-in oven with Slide&Hide® - unrestricted access to the oven interior. Slide&Hide® – The fully disappearing oven door with rotating handle.
eBay
eBay