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www.google.comhttp://www.google.com/patents/US2800457?utm_source=gb-gplus-sharePatent US2800457 - GRAMS Patent US2800457 - GRAMS

Patent US2800457 - GRAMS

GRAMS

Lowell Schleicher et al

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 2800457
Filing date: Jun 30, 1953
Issue date: Jul 23, 1957

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