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http://www.google.ca/patents/US2895171?utm_source=gb-gplus-share
Patent US2895171 - PRODUCTION OF
PRODUCTION OF
Denis James Henry Sandiford et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2895171
Filing date
: 11 Jun 1957
Issue date
: 21 Jul 1959
Plain text
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