Manual of Classification of Subjects of Invention of the United States Patent Office
Author | : United States. Patent Office |
Publisher | : |
Total Pages | : 370 |
Release | : 1920 |
ISBN-10 | : HARVARD:32044012933990 |
ISBN-13 | : |
Rating | : 4/5 ( Downloads) |
Download or read book Manual of Classification of Subjects of Invention of the United States Patent Office written by United States. Patent Office and published by . This book was released on 1920 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: