FR531985A - - Google Patents
Info
- Publication number
- FR531985A FR531985A FR531985DA FR531985A FR 531985 A FR531985 A FR 531985A FR 531985D A FR531985D A FR 531985DA FR 531985 A FR531985 A FR 531985A
- Authority
- FR
- France
- 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.)
- Expired
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
- B43L7/0275—Triangles
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR531985A true FR531985A (de) | 1921-01-24 |
Family
ID=1537031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR531985D Expired FR531985A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR531985A (de) |
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0
- FR FR531985D patent/FR531985A/fr not_active Expired