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www.google.comhttp://www.google.com/patents/US2197344?utm_source=gb-gplus-sharePatent US2197344 - MATLOCK Patent US2197344 - MATLOCK

Patent US2197344 - MATLOCK

MATLOCK

P. F. MATLOCK et al

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 2197344
Filing date: Feb 25, 1939
Issue date: Apr 16, 1940

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