DE173759C - - Google Patents
Info
- Publication number
- DE173759C DE173759C DENDAT173759D DE173759DA DE173759C DE 173759 C DE173759 C DE 173759C DE NDAT173759 D DENDAT173759 D DE NDAT173759D DE 173759D A DE173759D A DE 173759DA DE 173759 C DE173759 C DE 173759C
- Authority
- DE
- Germany
- Prior art keywords
- eraser
- rubber
- channels
- rubber ball
- rod
- 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
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000000254 damaging effect Effects 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
- B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE173759C true DE173759C (Direct) |
Family
ID=438543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT173759D Active DE173759C (Direct) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE173759C (Direct) |
-
0
- DE DENDAT173759D patent/DE173759C/de active Active
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