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http://www.google.ca/patents/US3652846?utm_source=gb-gplus-share
Patent US3652846 - UNDERWATER HAND LIGHT
UNDERWATER HAND LIGHT
Walter A. Starck et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 3652846
Filing date
: 12 Jan 1970
Issue date
: 1972
Plain text
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