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http://www.google.com.au/patents/US2564083?utm_source=gb-gplus-share
Patent US2564083 - STECHERT
STECHERT
A. H. W. STECHERT et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2564083
Filing date
: 21 Apr 1949
Issue date
: 14 Aug 1951
Plain text
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