BE416207A - - Google Patents

Info

Publication number
BE416207A
BE416207A BE416207DA BE416207A BE 416207 A BE416207 A BE 416207A BE 416207D A BE416207D A BE 416207DA BE 416207 A BE416207 A BE 416207A
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 BE416207A publication Critical patent/BE416207A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE416207D 1935-06-26 BE416207A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR803678T 1935-06-26

Publications (1)

Publication Number Publication Date
BE416207A true BE416207A (zh)

Family

ID=9250280

Family Applications (1)

Application Number Title Priority Date Filing Date
BE416207D BE416207A (zh) 1935-06-26

Country Status (2)

Country Link
BE (1) BE416207A (zh)
FR (1) FR803678A (zh)

Also Published As

Publication number Publication date
FR803678A (fr) 1936-10-06

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