... Descriptive Index of Patents Applied for and Patents Granted Being the Abridgements of Provisional and Complete Specifications for the Years 18671868

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View other formats and editions of ... Descriptive Index of Patents Applied for and Patents Granted Being the Abridgements of Provisional and Complete Specifications for the Years 18671868 by

Publisher: HardPress Publishing
Publication Date: Publication Date: 01/01/2018
ISBN13: 9780371981788, 978-0371981788
ISBN10: