50198920
9780266909248
Babcock, Wm H. is the author of 'Babcock's Book for Inventors; an Explanatory Statement and Guide for Clients and Others Interested in U. S : And Foreign Patents, Trade Marks, Copyrights and Similar Exclusive Privileges (Classic Reprint)', published 2017 under ISBN 9780266909248 and ISBN 0266909248.
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