CH272293A - Zeichengerät. - Google Patents
Zeichengerät.Info
- Publication number
- CH272293A CH272293A CH272293DA CH272293A CH 272293 A CH272293 A CH 272293A CH 272293D A CH272293D A CH 272293DA CH 272293 A CH272293 A CH 272293A
- Authority
- CH
- Switzerland
- Prior art keywords
- drawing device
- Prior art date
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
- B43L13/14—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 |
---|---|
CH272293A true CH272293A (de) | 1950-12-15 |
Family
ID=26248777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH272293D CH272293A (de) | 1944-10-13 | 1947-10-31 | Zeichengerät. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE477407A (de) |
CH (1) | CH272293A (de) |
FR (1) | FR955785A (de) |
-
0
- BE BE477407D patent/BE477407A/fr unknown
- FR FR955785D patent/FR955785A/fr not_active Expired
-
1947
- 1947-10-31 CH CH272293D patent/CH272293A/de unknown
Also Published As
Publication number | Publication date |
---|---|
BE477407A (de) | |
FR955785A (de) | 1950-01-19 |
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