DE190513C - - Google Patents
Info
- Publication number
- DE190513C DE190513C DENDAT190513D DE190513DA DE190513C DE 190513 C DE190513 C DE 190513C DE NDAT190513 D DENDAT190513 D DE NDAT190513D DE 190513D A DE190513D A DE 190513DA DE 190513 C DE190513 C DE 190513C
- Authority
- DE
- Germany
- Prior art keywords
- ring
- openings
- membrane
- housing
- regulated
- 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
- 239000012528 membrane Substances 0.000 claims 7
- 230000001105 regulatory effect Effects 0.000 claims 4
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE190513C true DE190513C (ja�@�@) |
Family
ID=453965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190513D Active DE190513C (ja�@�@) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE190513C (ja�@�@) |
-
0
- DE DENDAT190513D patent/DE190513C/de active Active
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