Inventions and their protection /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cleveland :
Penton Pub. Co.,
1938
|
| Edition: | 1st ed |
| Series: | Machine design series
|
| Subjects: |
| Item Description: | Includes index |
|---|---|
| Physical Description: | 1 online resource (326 p.) : ill |