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http://www.google.com.au/patents/US2784476?utm_source=gb-gplus-share
Patent US2784476 - JOINTED STRAP TIE FOR CONCRETE FORMS
JOINTED STRAP TIE FOR CONCRETE FORMS
Ed Bergdal et al
Overview
Abstract
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Description
Claims
Patent number
: 2784476
Filing date
: 2 Feb 1953
Issue date
: 12 Mar 1957
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