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The Classification of Patents [electronic resource] / United States. Patent Office by Series: Project Gutenberg ; 22685
Publication details: Project Gutenberg, 2007
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Availability: Items available for loan: Project Gutenburg (1).
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2.
Image from Google Jackets
The Classification of Patents [electronic resource] / United States. Patent Office by Series: Project Gutenberg ; 22685
Publication details: Project Gutenberg, 2007
Online resources:
Availability: Items available for loan: Project Gutenburg (1).
Place hold Save to lists