Its a bit like fridges, a lot of the innards of stuff like this, food
processors, shavers and the like are built by other companies with only
minor changes, its the outside bits that alter I think.
Brian

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"alan_m" wrote in message
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On 16/01/2019 12:29, DerbyBorn wrote:
Are all the different models basically the same motor / battery / drive
units with just the odd gimmick and different heads added - or is there a
step change somewhere in the range?


Braun/Oral B
All the same with price premium gimmicks.



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