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 (90 Downloads) |
Book Synopsis Manual of Classification of Subjects of Invention of the United States Patent Office by : United States. Patent Office
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: