GB570489A - - Google Patents
Info
- Publication number
- GB570489A GB570489A GB570489DA GB570489A GB 570489 A GB570489 A GB 570489A GB 570489D A GB570489D A GB 570489DA GB 570489 A GB570489 A GB 570489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- marked
- disc
- spaced
- graduations
- calendars
- 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.)
- Active
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB570489A true GB570489A (https=) |
Family
ID=1748997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB570489D Active GB570489A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB570489A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202060A (en) * | 1987-03-13 | 1988-09-14 | Nicola Dentamaro | A perpetual calendar |
-
0
- GB GB570489D patent/GB570489A/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202060A (en) * | 1987-03-13 | 1988-09-14 | Nicola Dentamaro | A perpetual calendar |
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