AT172803B - index card - Google Patents
index cardInfo
- Publication number
- AT172803B AT172803B AT172803DA AT172803B AT 172803 B AT172803 B AT 172803B AT 172803D A AT172803D A AT 172803DA AT 172803 B AT172803 B AT 172803B
- Authority
- AT
- Austria
- Prior art keywords
- index card
- card
- index
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT172803T | 1948-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT172803B true AT172803B (en) | 1952-10-25 |
Family
ID=3657016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT172803D AT172803B (en) | 1948-10-30 | 1948-10-30 | index card |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT172803B (en) |
-
1948
- 1948-10-30 AT AT172803D patent/AT172803B/en active
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