BE356662A - - Google Patents

Info

Publication number
BE356662A
BE356662A BE356662DA BE356662A BE 356662 A BE356662 A BE 356662A BE 356662D A BE356662D A BE 356662DA BE 356662 A BE356662 A BE 356662A
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 BE356662A publication Critical patent/BE356662A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
BE356662D 1927-12-16 BE356662A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE665897X 1927-12-16

Publications (1)

Publication Number Publication Date
BE356662A true BE356662A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=6589604

Family Applications (1)

Application Number Title Priority Date Filing Date
BE356662D BE356662A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1927-12-16

Country Status (3)

Country Link
BE (1) BE356662A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR665897A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL27080C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
NL27080C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR665897A (fr) 1929-09-24

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