Patent information.
| Author/creator | Miller, Gustave |
| Format | Book |
| Publication Info | Washington, [1949] |
| Description | 38 pages : illustrations ; 22 cm |
| Subjects |
| LCCN | 74158312 |
| Author/creator | Miller, Gustave |
| Format | Book |
| Publication Info | Washington, [1949] |
| Description | 38 pages : illustrations ; 22 cm |
| Subjects |
| LCCN | 74158312 |