DE82517C - - Google Patents
Info
- Publication number
- DE82517C DE82517C DENDAT82517D DE82517DA DE82517C DE 82517 C DE82517 C DE 82517C DE NDAT82517 D DENDAT82517 D DE NDAT82517D DE 82517D A DE82517D A DE 82517DA DE 82517 C DE82517 C DE 82517C
- Authority
- DE
- Germany
- Prior art keywords
- waves
- sound waves
- fact
- air
- steam
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE82517C true DE82517C (https=) |
Family
ID=354917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT82517D Active DE82517C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE82517C (https=) |
-
0
- DE DENDAT82517D patent/DE82517C/de active Active
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