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http://www.google.ca/patents/US3209230?utm_source=gb-gplus-share
Patent US3209230 - BATTERY CHARGER
BATTERY CHARGER
Joseph A. Mas et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3209230
Filing date
: 19 Sep 1962
Issue date
: 28 Sep 1965
Plain text
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