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http://www.google.ca/patents/US3771145?utm_source=gb-gplus-share
Patent US3771145 - SHEET JCF
SHEET JCF
Patricia P. Wiener et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3771145
Filing date
: 1 Feb 1971
Issue date
: 1 Nov 1973
Plain text
PDF
