CH159425A - Zeichenwinkel. - Google Patents
Zeichenwinkel.Info
- Publication number
- CH159425A CH159425A CH159425DA CH159425A CH 159425 A CH159425 A CH 159425A CH 159425D A CH159425D A CH 159425DA CH 159425 A CH159425 A CH 159425A
- Authority
- CH
- Switzerland
- Prior art keywords
- drawing angle
- angle
- Prior art date
Links
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
- B43L7/00—Straightedges
- B43L7/027—Plural non-adjustable straightedges fixed at right angles
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH730763X | 1931-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH159425A true CH159425A (de) | 1933-01-15 |
Family
ID=4532342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH159425D CH159425A (de) | 1931-11-05 | 1931-11-05 | Zeichenwinkel. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH159425A (fr) |
| FR (1) | FR730763A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999922A (en) * | 1988-12-27 | 1991-03-19 | Mayline Company, Inc. | Ruled multi-purpose drafting instrument |
-
1931
- 1931-11-05 CH CH159425D patent/CH159425A/de unknown
-
1932
- 1932-01-30 FR FR730763D patent/FR730763A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR730763A (fr) | 1932-08-24 |
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