You can refer to this approach, removing things like product models and serial numbers. For example, a "7300" (assuming it's a specific item) can be carried through customs manually (e.g., by placing it in your luggage), but this doesn't guarantee that it will always work (this is just one example).
If a mouth-operated device used to bite and kill someone was manufactured within the valid period after certification, would that be permissible? I'm not sure.
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