Patent:US1856039
Patent: | US 1856039 |
Title: | Integrating Mechanism for Metering Instruments |
Date: | 26.04.1932 |
Place: | |
Country: | USA |
Person: | T. R. Harrison |
Company: | |
Internal Links: | Planimeter |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 26.04.1932
- TITEL: Integrating mechanism for metering instruments
- PERSON: BROWN INSTR CO