BE456980A - - Google Patents

Info

Publication number
BE456980A
BE456980A BE456980DA BE456980A BE 456980 A BE456980 A BE 456980A BE 456980D A BE456980D A BE 456980DA BE 456980 A BE456980 A BE 456980A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE456980A publication Critical patent/BE456980A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE456980D 1943-07-30 BE456980A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE245845X 1943-07-30

Publications (1)

Publication Number Publication Date
BE456980A true BE456980A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=5933078

Family Applications (1)

Application Number Title Priority Date Filing Date
BE456980D BE456980A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1943-07-30

Country Status (2)

Country Link
BE (1) BE456980A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH245845A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
CH245845A (de) 1946-11-30

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