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http://www.google.ca/patents/US1137261?utm_source=gb-gplus-share
Patent US1137261 - AOSIGNOR
AOSIGNOR
F. DYKE et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 1137261
Filing date
: 19 Sep 1913
Issue date
: 27 Apr 1915
Plain text
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