DE88453C - - Google Patents

Info

Publication number
DE88453C
DE88453C DENDAT88453D DE88453DA DE88453C DE 88453 C DE88453 C DE 88453C DE NDAT88453 D DENDAT88453 D DE NDAT88453D DE 88453D A DE88453D A DE 88453DA DE 88453 C DE88453 C DE 88453C
Authority
DE
Germany
Prior art keywords
bellows
pedal
spring
button
valve mechanism
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
DENDAT88453D
Other languages
German (de)
English (en)
Publication of DE88453C publication Critical patent/DE88453C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • G10C3/14—Keyboards; Keys for playing by the feet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Toys (AREA)
DENDAT88453D Active DE88453C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE88453C true DE88453C (enrdf_load_stackoverflow)

Family

ID=360342

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT88453D Active DE88453C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE88453C (enrdf_load_stackoverflow)

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