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http://www.google.com.au/patents/US2427565?utm_source=gb-gplus-share
Patent US2427565 - METAL BONDED ABRASIVE
METAL BONDED ABRASIVE
Andrew W. User et al
Overview
Abstract
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Description
Claims
Patent number
: 2427565
Filing date
: 25 Sep 1944
Issue date
: 16 Sep 1947
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