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http://www.google.com.au/patents/USD274936?utm_source=gb-gplus-share
Patent USD274936 - Clot detection apparatus
Clot detection apparatus
Warren J. Bonney
Overview
Abstract
Drawings
Description
Claims
Patent number
: D274936
Filing date
: 26 Oct 1981
Issue date
: 31 Jul 1984
Plain text
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