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http://www.google.ca/patents/US859974?utm_source=gb-gplus-share
Patent US859974 - VON POOCI
VON POOCI
KARL VON POCCI et al
Overview
Abstract
Drawings
Description
Claims
Patent number
: 859974
Filing date
: 13 Mar 1906
Issue date
: 16 Jul 1907
Plain text
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