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http://www.google.co.uk/patents/US2134301?utm_source=gb-gplus-share
Patent US2134301 - UNIVERSAL UTILITY EXTENSION MOP
UNIVERSAL UTILITY EXTENSION MOP
Carl F. Guffgenbuehler et al
Overview
Abstract
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Description
Claims
Patent number
: 2134301
Filing date
: 12 Mar 1936
Issue date
: 25 Oct 1938
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