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http://www.google.com/patents/US217982?utm_source=gb-gplus-share
Patent US217982 - IMPROVEMENT IN BUTTER-WORKERS
IMPROVEMENT IN BUTTER-WORKERS
GEOEGE A. BLANCHAED
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Abstract
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Description
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Patent number
: 217982
Filing date
: May 5, 1879
Issue date
: Jul 29, 1879
Inventor
:
GEOEGE A. BLANCHAED
Current U.S. Classification
:
99/461
;
99/455
View patent at USPTO
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