BE349183A - - Google Patents

Info

Publication number
BE349183A
BE349183A BE349183DA BE349183A BE 349183 A BE349183 A BE 349183A BE 349183D A BE349183D A BE 349183DA BE 349183 A BE349183 A BE 349183A
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 BE349183A publication Critical patent/BE349183A/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)
BE349183D 1927-03-24 BE349183A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642705T 1927-03-24

Publications (1)

Publication Number Publication Date
BE349183A true BE349183A (enrdf_load_stackoverflow)

Family

ID=8998975

Family Applications (1)

Application Number Title Priority Date Filing Date
BE349183D BE349183A (enrdf_load_stackoverflow) 1927-03-24

Country Status (2)

Country Link
BE (1) BE349183A (enrdf_load_stackoverflow)
FR (1) FR642705A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR642705A (fr) 1928-09-03

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