DE228824C - - Google Patents
Info
- Publication number
- DE228824C DE228824C DENDAT228824D DE228824DA DE228824C DE 228824 C DE228824 C DE 228824C DE NDAT228824 D DENDAT228824 D DE NDAT228824D DE 228824D A DE228824D A DE 228824DA DE 228824 C DE228824 C DE 228824C
- Authority
- DE
- Germany
- Prior art keywords
- bellows
- rows
- valves
- row
- opposite
- 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 description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 description 2
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Push-Button Switches (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE228824C true DE228824C (enExample) |
Family
ID=489188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT228824D Active DE228824C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE228824C (enExample) |
-
0
- DE DENDAT228824D patent/DE228824C/de active Active
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