NL21888C - - Google Patents

Info

Publication number
NL21888C
NL21888C NL21888DA NL21888C NL 21888 C NL21888 C NL 21888C NL 21888D A NL21888D A NL 21888DA NL 21888 C NL21888 C NL 21888C
Authority
NL
Netherlands
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 NL21888C publication Critical patent/NL21888C/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)
NL21888D 1926-04-29 NL21888C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE633325X 1926-04-29

Publications (1)

Publication Number Publication Date
NL21888C true NL21888C (enrdf_load_stackoverflow)

Family

ID=6579115

Family Applications (1)

Application Number Title Priority Date Filing Date
NL21888D NL21888C (enrdf_load_stackoverflow) 1926-04-29

Country Status (2)

Country Link
FR (1) FR633325A (enrdf_load_stackoverflow)
NL (1) NL21888C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR633325A (fr) 1928-01-27

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