NL21541C - - Google Patents
Info
- Publication number
- NL21541C NL21541C NL21541DA NL21541C NL 21541 C NL21541 C NL 21541C NL 21541D A NL21541D A NL 21541DA NL 21541 C NL21541 C NL 21541C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
- G06K21/08—Apparatus or tools for correcting punching or slotting errors and regeneration of record carriers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28626/27A GB305065A (en) | 1926-11-13 | 1927-10-27 | Improved process of and apparatus for renovating cards of the type used in accounting machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21541C true NL21541C (en:Method) |
Family
ID=10278568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21541D NL21541C (en:Method) | 1927-10-27 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR668491A (en:Method) |
| NL (1) | NL21541C (en:Method) |
-
0
- NL NL21541D patent/NL21541C/xx active
-
1926
- 1926-11-13 FR FR668491D patent/FR668491A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR668491A (fr) | 1929-11-02 |