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http://www.google.com.au/patents/US3475525?utm_source=gb-gplus-share
Patent US3475525 - PROCESS OP RETICULATING POLYURETHANE FOAMS
PROCESS OP RETICULATING POLYURETHANE FOAMS
Timothy V. Peters et al
Overview
Abstract
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Description
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Patent number
: 3475525
Filing date
: 22 Sep 1966
Issue date
: 28 Oct 1969
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