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http://www.google.co.uk/patents/US3132646?utm_source=gb-gplus-share
Patent US3132646 - FLEXIBLE OPTICAL SURGICAL INSTRUMENT
FLEXIBLE OPTICAL SURGICAL INSTRUMENT
Jolin H. Hett et al
Overview
Abstract
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Description
Claims
Patent number
: 3132646
Filing date
: 18 Oct 1961
Issue date
: 12 May 1964
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