Subject-Matter Index of Patents for Inventions Issued by the United States Patent Office from 1790 to 1873, Inclusive...Vol 2 Autor Us Patent Office Paperback Preț: 237.14 lei 6-8 săpt.
Subject-Matter Index of Patents for Inventions Issued by the United States Patent Office from 1790 to 1873, Inclusive...Vol 3 Autor Us Patent Office Paperback Preț: 346.93 lei 6-8 săpt.