NL2305C - - Google Patents

Info

Publication number
NL2305C
NL2305C NL2305DA NL2305C NL 2305 C NL2305 C NL 2305C NL 2305D A NL2305D A NL 2305DA NL 2305 C NL2305 C NL 2305C
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 NL2305C publication Critical patent/NL2305C/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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
NL2305D 1911-05-25 NL2305C (US07902200-20110308-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US443965XA 1911-05-25 1911-05-25

Publications (1)

Publication Number Publication Date
NL2305C true NL2305C (US07902200-20110308-C00004.png)

Family

ID=6012975

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2305D NL2305C (US07902200-20110308-C00004.png) 1911-05-25

Country Status (3)

Country Link
DE (1) DE272989C (US07902200-20110308-C00004.png)
FR (2) FR443965A (US07902200-20110308-C00004.png)
NL (1) NL2305C (US07902200-20110308-C00004.png)

Also Published As

Publication number Publication date
FR443965A (fr) 1912-10-07
FR17177E (fr) 1913-07-03
DE272989C (US07902200-20110308-C00004.png)

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