BE556794A - - Google Patents

Info

Publication number
BE556794A
BE556794A BE556794DA BE556794A BE 556794 A BE556794 A BE 556794A BE 556794D A BE556794D A BE 556794DA BE 556794 A BE556794 A BE 556794A
Authority
BE
Belgium
Prior art keywords
fact
sound
pendulum
relay
advertising
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE556794A publication Critical patent/BE556794A/fr

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F25/00Audible advertising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Pinball Game Machines (AREA)
BE556794D BE556794A (cs)

Publications (1)

Publication Number Publication Date
BE556794A true BE556794A (cs)

Family

ID=180447

Family Applications (1)

Application Number Title Priority Date Filing Date
BE556794D BE556794A (cs)

Country Status (1)

Country Link
BE (1) BE556794A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708632A (en) * 1972-02-17 1973-01-02 A Parilla Electronic sound effects apparatus with tape cartridge and resiliently mounted switching plate
US4070697A (en) * 1976-04-30 1978-01-24 Leonard W. Miller Appointment calendaring clock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708632A (en) * 1972-02-17 1973-01-02 A Parilla Electronic sound effects apparatus with tape cartridge and resiliently mounted switching plate
US4070697A (en) * 1976-04-30 1978-01-24 Leonard W. Miller Appointment calendaring clock

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