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Hans Erik Berkelius - Swede in the RAF post-war
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25th July 2018, 16:10
Leendert
Alter Hase
Join Date: Sep 2007
Location: Belgium
Posts: 2,743
Re: Hans Erik Berkelius - Swede in the RAF post-war
Hokan,
Apparently died on 23 Jan 2007.
No joy with RAF, but perhaps this may be of interest:
https://patentimages.storage.googlea.../US3960058.pdf
Regards,
Leendert
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