DE238321C - - Google Patents
Info
- Publication number
- DE238321C DE238321C DENDAT238321D DE238321DA DE238321C DE 238321 C DE238321 C DE 238321C DE NDAT238321 D DENDAT238321 D DE NDAT238321D DE 238321D A DE238321D A DE 238321DA DE 238321 C DE238321 C DE 238321C
- Authority
- DE
- Germany
- Prior art keywords
- pencil
- sleeve
- cutting edges
- sharpener
- milling cutter
- 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
- 238000003801 milling Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000001681 protective 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
- B43L23/00—Sharpeners for pencils or leads
Landscapes
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE238321C true DE238321C (https=) |
Family
ID=497853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT238321D Active DE238321C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE238321C (https=) |
-
0
- DE DENDAT238321D patent/DE238321C/de active Active
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