BE468415A - - Google Patents

Info

Publication number
BE468415A
BE468415A BE468415DA BE468415A BE 468415 A BE468415 A BE 468415A BE 468415D A BE468415D A BE 468415DA BE 468415 A BE468415 A BE 468415A
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 BE468415A publication Critical patent/BE468415A/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE468415D 1939-11-23 BE468415A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK2468040X 1939-11-23

Publications (1)

Publication Number Publication Date
BE468415A true BE468415A (xx)

Family

ID=8158428

Family Applications (1)

Application Number Title Priority Date Filing Date
BE468415D BE468415A (xx) 1939-11-23

Country Status (2)

Country Link
US (1) US2468040A (xx)
BE (1) BE468415A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE622308A (xx) * 1961-09-11

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1627930A (en) * 1927-05-10 richardson

Also Published As

Publication number Publication date
US2468040A (en) 1949-04-26

Similar Documents

Publication Publication Date Title
NL60680C (xx)
NL97531C (xx)
BE421934A (xx)
BE428333A (xx)
BE431181A (xx)
BE432222A (xx)
BE432228A (xx)
BE432632A (xx)
BE432683A (xx)
BE432823A (xx)
BE432902A (xx)
BE432967A (xx)
BE432980A (xx)
BE433383A (xx)
BE433398A (xx)
BE433403A (xx)
BE433599A (xx)
BE433615A (xx)
BE433626A (xx)
BE433708A (xx)
BE433833A (xx)
BE433845A (xx)
BE433856A (xx)
BE433994A (xx)
BE433998A (xx)