FR34512E - - Google Patents
Info
- Publication number
- FR34512E FR34512E FR34512DA FR34512E FR 34512 E FR34512 E FR 34512E FR 34512D A FR34512D A FR 34512DA FR 34512 E FR34512 E FR 34512E
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34512E true FR34512E (ja) | 1929-09-12 |
Family
ID=1362425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34512D Expired FR34512E (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34512E (ja) |
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0
- FR FR34512D patent/FR34512E/fr not_active Expired