DE218767C - - Google Patents

Info

Publication number
DE218767C
DE218767C DENDAT218767D DE218767DA DE218767C DE 218767 C DE218767 C DE 218767C DE NDAT218767 D DENDAT218767 D DE NDAT218767D DE 218767D A DE218767D A DE 218767DA DE 218767 C DE218767 C DE 218767C
Authority
DE
Germany
Prior art keywords
air
keyboard
housing
air box
sheet
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
DENDAT218767D
Other languages
German (de)
English (en)
Publication of DE218767C publication Critical patent/DE218767C/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)
  • Auxiliary Devices For Music (AREA)
DENDAT218767D Active DE218767C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE218767C true DE218767C (enrdf_load_html_response)

Family

ID=479960

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT218767D Active DE218767C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE218767C (enrdf_load_html_response)

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