BE364740A - - Google Patents
Info
- Publication number
- BE364740A BE364740A BE364740DA BE364740A BE 364740 A BE364740 A BE 364740A BE 364740D A BE364740D A BE 364740DA BE 364740 A BE364740 A BE 364740A
- Authority
- BE
- Belgium
- Prior art keywords
- board
- rule
- articulated
- fixed
- head
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 1
- 230000002452 interceptive 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
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE364740A true BE364740A (https=) |
Family
ID=37157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE364740D BE364740A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE364740A (https=) |
-
0
- BE BE364740D patent/BE364740A/fr unknown
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