DE228806C - - Google Patents

Info

Publication number
DE228806C
DE228806C DENDAT228806D DE228806DA DE228806C DE 228806 C DE228806 C DE 228806C DE NDAT228806 D DENDAT228806 D DE NDAT228806D DE 228806D A DE228806D A DE 228806DA DE 228806 C DE228806 C DE 228806C
Authority
DE
Germany
Prior art keywords
bellows
valve
opening
channel
membrane
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
Application number
DENDAT228806D
Other languages
German (de)
English (en)
Publication of DE228806C publication Critical patent/DE228806C/de
Active legal-status Critical Current

Links

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)
  • Electrophonic Musical Instruments (AREA)
DENDAT228806D Active DE228806C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE228806C true DE228806C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=489171

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT228806D Active DE228806C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE228806C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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