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http://www.google.com.au/patents/US2779351?utm_source=gb-gplus-share
Patent US2779351 - DEVICE FOR
DEVICE FOR
Loais Michael Levine et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2779351
Filing date
: 16 Oct 1952
Issue date
: 29 Jan 1957
Plain text
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