NL52131C - - Google Patents
Info
- Publication number
- NL52131C NL52131C NL52131DA NL52131C NL 52131 C NL52131 C NL 52131C NL 52131D A NL52131D A NL 52131DA NL 52131 C NL52131 C NL 52131C
- Authority
- NL
- Netherlands
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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
-
- 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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
- B43L13/04—Guides for rulers
-
- 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
- B43L7/005—Straightedges combined with other drawing aids
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE713883X | 1939-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52131C true NL52131C (pm) |
Family
ID=20315794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52131D NL52131C (pm) | 1939-03-20 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE713883C (pm) |
| NL (1) | NL52131C (pm) |
-
0
- NL NL52131D patent/NL52131C/xx active
-
1939
- 1939-04-28 DE DEC55008D patent/DE713883C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE713883C (de) | 1941-11-17 |