FR550402A - Porte-mines à mines multiples - Google Patents
Porte-mines à mines multiplesInfo
- Publication number
- FR550402A FR550402A FR550402DA FR550402A FR 550402 A FR550402 A FR 550402A FR 550402D A FR550402D A FR 550402DA FR 550402 A FR550402 A FR 550402A
- Authority
- FR
- France
- Prior art keywords
- mechanical pencil
- lead mechanical
- lead
- pencil
- mechanical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR550402T | 1922-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR550402A true FR550402A (fr) | 1923-03-09 |
Family
ID=8936169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR550402D Expired FR550402A (fr) | 1922-04-11 | 1922-04-11 | Porte-mines à mines multiples |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR550402A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0384452A2 (fr) * | 1989-02-24 | 1990-08-29 | Merz + Krell Gmbh U. Co. | Instrument à écrire à couleurs multiples |
-
1922
- 1922-04-11 FR FR550402D patent/FR550402A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0384452A2 (fr) * | 1989-02-24 | 1990-08-29 | Merz + Krell Gmbh U. Co. | Instrument à écrire à couleurs multiples |
EP0384452A3 (fr) * | 1989-02-24 | 1991-03-13 | Merz + Krell Gmbh U. Co. | Instrument à écrire à couleurs multiples |
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