When were AAAA invented?

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5. Is a23 Battery same as N?
6. What is a battery code?
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Tags

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2. #produced
3. #mostly
4. #detectors
5. #conrad
6. #first
7. #electric
8. #torch
9. #brass
10. #founder
11. #battery
12. #company
13. #smoke
14. #putting
15. #flashlight
16. #rough
17. #invented
18. #inside
19. #reflector
20. #eveready
21. #together
22. #paper