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http://www.google.com.au/patents/US3864705?utm_source=gb-gplus-share
Patent US3864705 - PHOTOGRAPHIC APPARATUS WITH
PHOTOGRAPHIC APPARATUS WITH
Alfred Winkler et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3864705
Filing date
: 23 Mar 1973
Issue date
: 1975
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