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http://www.google.co.uk/patents/US3743868?utm_source=gb-gplus-share
Patent US3743868 - FIG.II
FIG.II
Takehiko Kawada et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3743868
Filing date
: 12 Oct 1971
Issue date
: 3 Jul 1973
Plain text
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