FR679564A - Improvements to counter-tabulators - Google Patents
Improvements to counter-tabulatorsInfo
- Publication number
- FR679564A FR679564A FR679564DA FR679564A FR 679564 A FR679564 A FR 679564A FR 679564D A FR679564D A FR 679564DA FR 679564 A FR679564 A FR 679564A
- Authority
- FR
- France
- Prior art keywords
- tabulators
- counter
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL347119X | 1929-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR679564A true FR679564A (en) | 1930-04-15 |
Family
ID=19784925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR679564D Expired FR679564A (en) | 1929-06-26 | 1929-07-30 | Improvements to counter-tabulators |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE362551A (en) |
FR (1) | FR679564A (en) |
GB (1) | GB347119A (en) |
NL (1) | NL31405C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011198B (en) * | 1931-04-17 | 1957-06-27 | Ibm Deutschland | Business machine with device for the formation of balances of positive and negative items |
DE1106529B (en) * | 1955-11-29 | 1961-05-10 | Ibm Deutschland | Arrangement for calculating the number of days between two dates by means of calculating machines controlled by recording media |
-
0
- BE BE362551D patent/BE362551A/xx unknown
- NL NL31405D patent/NL31405C/xx active
-
1929
- 1929-07-30 FR FR679564D patent/FR679564A/en not_active Expired
- 1929-10-14 GB GB31107/29A patent/GB347119A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011198B (en) * | 1931-04-17 | 1957-06-27 | Ibm Deutschland | Business machine with device for the formation of balances of positive and negative items |
DE1106529B (en) * | 1955-11-29 | 1961-05-10 | Ibm Deutschland | Arrangement for calculating the number of days between two dates by means of calculating machines controlled by recording media |
Also Published As
Publication number | Publication date |
---|---|
GB347119A (en) | 1931-04-14 |
NL31405C (en) | |
BE362551A (en) |
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