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http://www.google.ca/patents/US3255972?utm_source=gb-gplus-share
Patent US3255972 - DISPOSABLE CONTAINER
DISPOSABLE CONTAINER
Ralph J. Hultgren et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3255972
Filing date
: 12 Mar 1964
Issue date
: 14 Jun 1966
Plain text
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