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http://www.google.com.au/patents/US2014080?utm_source=gb-gplus-share
Patent US2014080 - X C CONCRETE FOKM RETAINING MEANS
X C CONCRETE FOKM RETAINING MEANS
Samuel S. Colt et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2014080
Filing date
: 16 Mar 1934
Issue date
: 10 Sep 1935
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