FR502614A - Shown - Google Patents
ShownInfo
- Publication number
- FR502614A FR502614A FR502614A FR502614DA FR502614A FR 502614 A FR502614 A FR 502614A FR 502614 A FR502614 A FR 502614A FR 502614D A FR502614D A FR 502614DA FR 502614 A FR502614 A FR 502614A
- Authority
- FR
- France
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
- G04B43/005—Protection against temperature influences
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US502614XA | 1918-12-06 | 1918-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR502614A true FR502614A (en) | 1920-05-21 |
Family
ID=21719419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502614A Expired FR502614A (en) | 1918-12-06 | 1919-08-14 | Shown |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR502614A (en) |
-
1919
- 1919-08-14 FR FR502614A patent/FR502614A/en not_active Expired
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