Patent:DE407510
Patent: | DE 407510 |
Title: | Sprossenradrechenmaschine |
Date: | 16.11.1921 |
Place: | Tennesse, Ill. USA |
Country: | Germany |
Person: | Walker, Marcus H. (P) |
Company: | |
Internal Links: | Sprossenradmaschine |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 29.12.1924
- TITEL: Sprossenradrechenmaschine
- PERSON: MARCUS H WALKER
USA 15.11.1920