DE80797C - - Google Patents
Info
- Publication number
- DE80797C DE80797C DENDAT80797D DE80797DA DE80797C DE 80797 C DE80797 C DE 80797C DE NDAT80797 D DENDAT80797 D DE NDAT80797D DE 80797D A DE80797D A DE 80797DA DE 80797 C DE80797 C DE 80797C
- Authority
- DE
- Germany
- Prior art keywords
- capsule
- focal point
- bracket
- pen
- frame
- 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
- 239000002775 capsule Substances 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust 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
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE80797C true DE80797C (OSRAM) |
Family
ID=353319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT80797D Active DE80797C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE80797C (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2700221A (en) * | 1946-01-08 | 1955-01-25 | Leopold E Rovner | Hyperbolograph instrument |
| US5424051A (en) * | 1992-01-14 | 1995-06-13 | Uop | Process for the removal of carbon dioxide and mercaptans from a gas stream |
-
0
- DE DENDAT80797D patent/DE80797C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2700221A (en) * | 1946-01-08 | 1955-01-25 | Leopold E Rovner | Hyperbolograph instrument |
| US5424051A (en) * | 1992-01-14 | 1995-06-13 | Uop | Process for the removal of carbon dioxide and mercaptans from a gas stream |
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