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http://www.google.com/patents/US2625815?utm_source=gb-gplus-share
Patent US2625815 - SHEETS-XSL-IEET Z
SHEETS-XSL-IEET Z
Eric A. Black et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2625815
Filing date
: Oct 23, 1943
Issue date
: Jan 20, 1953
Plain text
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