BE359444A - - Google Patents

Info

Publication number
BE359444A
BE359444A BE359444DA BE359444A BE 359444 A BE359444 A BE 359444A BE 359444D A BE359444D A BE 359444DA BE 359444 A BE359444 A BE 359444A
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 BE359444A publication Critical patent/BE359444A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
BE359444D 1928-03-31 BE359444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE308811X 1928-03-31

Publications (1)

Publication Number Publication Date
BE359444A true BE359444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=20307586

Family Applications (1)

Application Number Title Priority Date Filing Date
BE359444D BE359444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1928-03-31

Country Status (4)

Country Link
US (1) US1789142A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE359444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR672218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB308811A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646473A (en) * 1950-04-25 1953-07-21 Talk O Products Inc Manually operated selecting and controlling switch apparatus

Also Published As

Publication number Publication date
US1789142A (en) 1931-01-13
FR672218A (fr) 1929-12-24
GB308811A (en) 1930-07-28

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