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www.google.comhttp://www.google.com/patents/US1364478?utm_source=gb-gplus-sharePatent US1364478 - SYLVANIA

Patent US1364478 - SYLVANIA

SYLVANIA

P. BOYD et al

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 1364478
Filing date: Oct 11, 1919
Issue date: Jan 4, 1921

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