BE387050A - - Google Patents
Info
- Publication number
- BE387050A BE387050A BE387050DA BE387050A BE 387050 A BE387050 A BE 387050A BE 387050D A BE387050D A BE 387050DA BE 387050 A BE387050 A BE 387050A
- Authority
- BE
- Belgium
- Prior art keywords
- rule
- protractor
- instruments
- ruler
- square
- Prior art date
Links
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002747 voluntary 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
- B43L13/04—Guides for rulers
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE387050A true BE387050A (OSRAM) |
Family
ID=55579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387050D BE387050A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE387050A (OSRAM) |
-
0
- BE BE387050D patent/BE387050A/fr unknown
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