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www.google.com.auhttp://www.google.com.au/patents/US1984475?utm_source=gb-gplus-sharePatent US1984475 - GOODALL Patent US1984475 - GOODALL

Patent US1984475 - GOODALL

GOODALL

Howard W. Goodall et al

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 1984475
Filing date: 14 Feb 1930
Issue date: 18 Dec 1934

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