NL35097C - - Google Patents

Info

Publication number
NL35097C
NL35097C NL35097DA NL35097C NL 35097 C NL35097 C NL 35097C NL 35097D A NL35097D A NL 35097DA NL 35097 C NL35097 C NL 35097C
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 NL35097C publication Critical patent/NL35097C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/58Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
NL35097D 1930-09-22 NL35097C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE647907T 1930-09-22

Publications (1)

Publication Number Publication Date
NL35097C true NL35097C (en:Method)

Family

ID=6581056

Family Applications (1)

Application Number Title Priority Date Filing Date
NL35097D NL35097C (en:Method) 1930-09-22

Country Status (4)

Country Link
AT (1) AT129200B (en:Method)
CH (1) CH157794A (en:Method)
DE (1) DE647907C (en:Method)
NL (1) NL35097C (en:Method)

Also Published As

Publication number Publication date
CH157794A (de) 1932-10-15
AT129200B (de) 1932-07-11
DE647907C (de) 1937-07-16

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