BE364208A - - Google Patents

Info

Publication number
BE364208A
BE364208A BE364208DA BE364208A BE 364208 A BE364208 A BE 364208A BE 364208D A BE364208D A BE 364208DA BE 364208 A BE364208 A BE 364208A
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 BE364208A publication Critical patent/BE364208A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
BE364208D 1928-10-03 BE364208A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE682630X 1928-10-03

Publications (1)

Publication Number Publication Date
BE364208A true BE364208A (enrdf_load_stackoverflow)

Family

ID=6597201

Family Applications (1)

Application Number Title Priority Date Filing Date
BE364208D BE364208A (enrdf_load_stackoverflow) 1928-10-03

Country Status (2)

Country Link
BE (1) BE364208A (enrdf_load_stackoverflow)
FR (1) FR682630A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR682630A (fr) 1930-05-30

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