BE481998A - - Google Patents
Info
- Publication number
- BE481998A BE481998A BE481998DA BE481998A BE 481998 A BE481998 A BE 481998A BE 481998D A BE481998D A BE 481998DA BE 481998 A BE481998 A BE 481998A
- Authority
- BE
- Belgium
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
- B43L13/14—Devices for drawing in perspective
- B43L13/148—Devices for drawing in perspective using copying or multiple drawing arrangements
-
- 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
- B43L13/10—Pantographic instruments for copying, enlarging, or diminishing
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB265536X | 1947-06-02 | ||
| GB70448X | 1948-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481998A true BE481998A (https=) |
Family
ID=26241126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481998D BE481998A (https=) | 1947-06-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE481998A (https=) |
| CH (1) | CH265536A (https=) |
| DE (1) | DE854854C (https=) |
-
0
- BE BE481998D patent/BE481998A/xx unknown
-
1948
- 1948-04-27 CH CH265536D patent/CH265536A/de unknown
-
1949
- 1949-06-28 DE DEP47133A patent/DE854854C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE854854C (de) | 1952-11-06 |
| CH265536A (de) | 1949-12-15 |