DE318174C - - Google Patents
Info
- Publication number
- DE318174C DE318174C DENDAT318174D DE318174DA DE318174C DE 318174 C DE318174 C DE 318174C DE NDAT318174 D DENDAT318174 D DE NDAT318174D DE 318174D A DE318174D A DE 318174DA DE 318174 C DE318174 C DE 318174C
- Authority
- DE
- Germany
- Prior art keywords
- observation
- signaling
- fog
- december
- applies
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Eye Examination Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE318174C true DE318174C (OSRAM) |
Family
ID=570775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT318174D Active DE318174C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE318174C (OSRAM) |
-
0
- DE DENDAT318174D patent/DE318174C/de active Active
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