BE477407A - - Google Patents
Info
- Publication number
- BE477407A BE477407A BE477407DA BE477407A BE 477407 A BE477407 A BE 477407A BE 477407D A BE477407D A BE 477407DA BE 477407 A BE477407 A BE 477407A
- Authority
- BE
- Belgium
- Prior art keywords
- scribing
- emi
- point
- slide
- board
- Prior art date
Links
- 230000009467 reduction Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
-
- 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
- B43L13/14—Devices for drawing in perspective
- B43L13/148—Devices for drawing in perspective using copying or multiple drawing arrangements
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB272293X | 1944-10-13 | ||
| GB121045X | 1945-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477407A true BE477407A (enrdf_load_stackoverflow) |
Family
ID=26248777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477407D BE477407A (enrdf_load_stackoverflow) | 1944-10-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE477407A (enrdf_load_stackoverflow) |
| CH (1) | CH272293A (enrdf_load_stackoverflow) |
| FR (1) | FR955785A (enrdf_load_stackoverflow) |
-
0
- FR FR955785D patent/FR955785A/fr not_active Expired
- BE BE477407D patent/BE477407A/fr unknown
-
1947
- 1947-10-31 CH CH272293D patent/CH272293A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR955785A (enrdf_load_stackoverflow) | 1950-01-19 |
| CH272293A (de) | 1950-12-15 |
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