DE253828C - - Google Patents
Info
- Publication number
- DE253828C DE253828C DENDAT253828D DE253828DA DE253828C DE 253828 C DE253828 C DE 253828C DE NDAT253828 D DENDAT253828 D DE NDAT253828D DE 253828D A DE253828D A DE 253828DA DE 253828 C DE253828 C DE 253828C
- Authority
- DE
- Germany
- Prior art keywords
- bellows
- valve
- suction
- air
- channel
- 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
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- 230000001944 accentuation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004321 preservation Methods 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)
- Check Valves (AREA)
- Massaging Devices (AREA)
- Percussion Or Vibration Massage (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE253828C true DE253828C (cs) |
Family
ID=512071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT253828D Active DE253828C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE253828C (cs) |
-
0
- DE DENDAT253828D patent/DE253828C/de active Active
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