Researching libraries for boombox info

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Aiwa

Member (SA)
May 7, 2009
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It`s quite easy to find out the first
release /production year of a boombox...
(from the big players(panasonic,sony asf.)
Most dates are correct(+ - 1year)

I`m searching microfiche files and I use to get copies from patent documents,for example see this one:











follower of above mentioned dr01(no picture),using similar mechanism:

 
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