FR532131A - Adding machine - Google Patents
Adding machineInfo
- Publication number
- FR532131A FR532131A FR532131DA FR532131A FR 532131 A FR532131 A FR 532131A FR 532131D A FR532131D A FR 532131DA FR 532131 A FR532131 A FR 532131A
- Authority
- FR
- France
- Prior art keywords
- adding machine
- machine
- Prior art date
- 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
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
- G06C7/06—Keyboards with one set of keys for each denomination
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR532131T | 1920-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR532131A true FR532131A (en) | 1922-01-28 |
Family
ID=8924354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR532131D Expired FR532131A (en) | 1920-11-13 | 1920-11-13 | Adding machine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR532131A (en) |
-
1920
- 1920-11-13 FR FR532131D patent/FR532131A/en not_active Expired
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