BE616681A - Perfectionnements aux alliages à base de cuivre - Google Patents

Perfectionnements aux alliages à base de cuivre

Info

Publication number
BE616681A
BE616681A BE616681A BE616681A BE616681A BE 616681 A BE616681 A BE 616681A BE 616681 A BE616681 A BE 616681A BE 616681 A BE616681 A BE 616681A BE 616681 A BE616681 A BE 616681A
Authority
BE
Belgium
Prior art keywords
copper
based alloys
alloys
Prior art date
Application number
BE616681A
Other languages
English (en)
Inventor
D H Lane
F Emley
Original Assignee
Westinghouse Electric Corp
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BE616681A publication Critical patent/BE616681A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE616681A 1961-04-20 1962-04-19 Perfectionnements aux alliages à base de cuivre BE616681A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US616681XA 1961-04-20 1961-04-20

Publications (1)

Publication Number Publication Date
BE616681A true BE616681A (fr) 1962-08-16

Family

ID=22037309

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616681A BE616681A (fr) 1961-04-20 1962-04-19 Perfectionnements aux alliages à base de cuivre

Country Status (2)

Country Link
BE (1) BE616681A (fr)
FR (1) FR616681A (fr)

Also Published As

Publication number Publication date
FR616681A (fr) 1927-02-05

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