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http://www.google.com.au/patents/US1576488?utm_source=gb-gplus-share
Patent US1576488 - HARRIETTS E
HARRIETTS E
H. E. HODGSON et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 1576488
Filing date
: 2 Feb 1924
Issue date
: 9 Mar 1926
Plain text
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