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www.google.comhttp://www.google.com/patents/US2512559?utm_source=gb-gplus-sharePatent US2512559 - WILLIAMS Patent US2512559 - WILLIAMS

Patent US2512559 - WILLIAMS

WILLIAMS

Alfred L. W. Williams et al

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 2512559
Filing date: Jan 18, 1945
Issue date: Jun 20, 1950

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