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http://www.google.co.uk/patents/US753311?utm_source=gb-gplus-share
Patent US753311 - ATTILIO PUSTERLA
ATTILIO PUSTERLA
ATTILIO PUSTERLA
Overview
Abstract
Drawings
Description
Claims
Patent number
: 753311
Filing date
: 9 Jun 1903
Issue date
: 1 Mar 1904
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