DE224642C - - Google Patents
Info
- Publication number
- DE224642C DE224642C DENDAT224642D DE224642DA DE224642C DE 224642 C DE224642 C DE 224642C DE NDAT224642 D DENDAT224642 D DE NDAT224642D DE 224642D A DE224642D A DE 224642DA DE 224642 C DE224642 C DE 224642C
- Authority
- DE
- Germany
- Prior art keywords
- guide
- grooves
- ruler
- guide groove
- hand
- 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
- 241000446313 Lamella Species 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
Landscapes
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE224642T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE224642C true DE224642C (OSRAM) |
Family
ID=5856998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT224642D Active DE224642C (OSRAM) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE224642C (OSRAM) |
| FR (1) | FR391591A (OSRAM) |
-
0
- DE DENDAT224642D patent/DE224642C/de active Active
-
1908
- 1908-06-24 FR FR391591A patent/FR391591A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR391591A (fr) | 1908-11-04 |
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