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http://www.google.ca/patents/US2489766?utm_source=gb-gplus-share
Patent US2489766 - CHIME FOR BARRELS
CHIME FOR BARRELS
Otto F. Rendenbach et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 2489766
Filing date
: 16 Feb 1946
Issue date
: 29 Nov 1949
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