BE334395A - - Google Patents
Info
- Publication number
- BE334395A BE334395A BE334395DA BE334395A BE 334395 A BE334395 A BE 334395A BE 334395D A BE334395D A BE 334395DA BE 334395 A BE334395 A BE 334395A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- attention
- Prior art date
Links
Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
- G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
- G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
- G04F1/066—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock using electrical contact device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE334395A true BE334395A (de) |
Family
ID=12993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE334395D BE334395A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE334395A (de) |
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0
- BE BE334395D patent/BE334395A/fr unknown