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http://www.google.com.au/patents/US3866616?utm_source=gb-gplus-share
Patent US3866616 - HEART PACER
HEART PACER
David L. Purdy et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3866616
Filing date
: 12 Jul 1973
Issue date
: 1 Feb 1975
Plain text
PDF
