BE417573A - - Google Patents

Info

Publication number
BE417573A
BE417573A BE417573DA BE417573A BE 417573 A BE417573 A BE 417573A BE 417573D A BE417573D A BE 417573DA BE 417573 A BE417573 A BE 417573A
Authority
BE
Belgium
Prior art keywords
needle
rod
vibrations
membrane
sound
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE417573A publication Critical patent/BE417573A/fr

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE417573D BE417573A (cs)

Publications (1)

Publication Number Publication Date
BE417573A true BE417573A (cs)

Family

ID=80259

Family Applications (1)

Application Number Title Priority Date Filing Date
BE417573D BE417573A (cs)

Country Status (1)

Country Link
BE (1) BE417573A (cs)

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