BE346023A - - Google Patents
Info
- Publication number
- BE346023A BE346023A BE346023DA BE346023A BE 346023 A BE346023 A BE 346023A BE 346023D A BE346023D A BE 346023DA BE 346023 A BE346023 A BE 346023A
- Authority
- BE
- Belgium
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2676227A GB303844A (en) | 1927-10-10 | 1927-10-10 | Improvements in machines for punching statistical record cards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE346023A true BE346023A (https=) |
Family
ID=10248788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE346023D BE346023A (https=) | 1927-10-10 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1790479A (https=) |
| BE (1) | BE346023A (https=) |
| GB (1) | GB303844A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2566931A (en) * | 1948-11-23 | 1951-09-04 | Ibm | Record card punching machine |
| US2784785A (en) * | 1951-10-10 | 1957-03-12 | Ibm | Typewriter controlled tape punch |
-
0
- US US1790479D patent/US1790479A/en not_active Expired - Lifetime
- BE BE346023D patent/BE346023A/xx unknown
-
1927
- 1927-10-10 GB GB2676227A patent/GB303844A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1790479A (en) | 1931-01-27 |
| GB303844A (en) | 1929-01-10 |