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http://www.google.co.uk/patents/US3647926?utm_source=gb-gplus-share
Patent US3647926 - NOIIVIS INJOIUS
NOIIVIS INJOIUS
Ebbe Rohloff; Richard Lorenz et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3647926
Filing date
: 6 Aug 1970
Issue date
: 7 Mar 1972
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