BE521318A - - Google Patents
Info
- Publication number
- BE521318A BE521318A BE521318DA BE521318A BE 521318 A BE521318 A BE 521318A BE 521318D A BE521318D A BE 521318DA BE 521318 A BE521318 A BE 521318A
- Authority
- BE
- Belgium
- Prior art keywords
- safety device
- closing
- recording
- opening
- latch
- Prior art date
Links
- 241000272201 Columbiformes Species 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 description 2
- 241000272205 Columba livia Species 0.000 description 1
- 241001115876 Ectopistes migratorius Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
- G07C1/26—Pigeon-timing or like equipment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH312443T | 1953-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521318A true BE521318A (enrdf_load_stackoverflow) | 1955-09-02 |
Family
ID=4494861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521318D BE521318A (enrdf_load_stackoverflow) | 1953-02-23 | 1953-07-09 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE521318A (enrdf_load_stackoverflow) |
| CH (1) | CH312443A (enrdf_load_stackoverflow) |
-
1953
- 1953-02-23 CH CH312443D patent/CH312443A/de unknown
- 1953-07-09 BE BE521318D patent/BE521318A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH312443A (de) | 1955-12-31 |
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