... Descriptive Index Of Patents Applied For And Patents Granted
Subtitle: Being The Abridgements Of Provisional And Complete Specifications For The Year[s] 1867-1868
Publisher: Arkose Press
Published: Sep 30, 2015
Format: hardcover
Number of pages: 898
ISBN-13: 9781343732520
Notes: Source title: ... Descriptive Index Of Patents Applied For And Patents Granted: Being The Abridgements Of Provisional And Complete Specifications For The Year[s] 1867-1868