DE231674C - - Google Patents

Info

Publication number
DE231674C
DE231674C DENDAT231674D DE231674DA DE231674C DE 231674 C DE231674 C DE 231674C DE NDAT231674 D DENDAT231674 D DE NDAT231674D DE 231674D A DE231674D A DE 231674DA DE 231674 C DE231674 C DE 231674C
Authority
DE
Germany
Prior art keywords
valve
plate
negative pressure
pressure
valves
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
DENDAT231674D
Other languages
German (de)
English (en)
Publication of DE231674C publication Critical patent/DE231674C/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)
  • Safety Valves (AREA)
DENDAT231674D Active DE231674C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE231674C true DE231674C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=491763

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT231674D Active DE231674C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE231674C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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