DE230155C - - Google Patents
Info
- Publication number
- DE230155C DE230155C DENDAT230155D DE230155DA DE230155C DE 230155 C DE230155 C DE 230155C DE NDAT230155 D DENDAT230155 D DE NDAT230155D DE 230155D A DE230155D A DE 230155DA DE 230155 C DE230155 C DE 230155C
- Authority
- DE
- Germany
- Prior art keywords
- opening
- air
- piston
- valve
- cylinders
- 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 description 5
- 241000189705 Dunedin group Species 0.000 description 1
- 210000004013 Groin Anatomy 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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)
- Auxiliary Devices For Music (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE230155C true DE230155C (fr) |
Family
ID=490392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT230155D Active DE230155C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE230155C (fr) |
-
0
- DE DENDAT230155D patent/DE230155C/de active Active
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