BE430779A - - Google Patents

Info

Publication number
BE430779A
BE430779A BE430779DA BE430779A BE 430779 A BE430779 A BE 430779A BE 430779D A BE430779D A BE 430779DA BE 430779 A BE430779 A BE 430779A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE430779A publication Critical patent/BE430779A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BE430779D 1937-10-26 1938-10-22 BE430779A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837339T 1937-10-26

Publications (1)

Publication Number Publication Date
BE430779A true BE430779A (en:Method) 1938-11-30

Family

ID=6545929

Family Applications (1)

Application Number Title Priority Date Filing Date
BE430779D BE430779A (en:Method) 1937-10-26 1938-10-22

Country Status (3)

Country Link
BE (1) BE430779A (en:Method)
FR (1) FR837339A (en:Method)
GB (1) GB502595A (en:Method)

Also Published As

Publication number Publication date
FR837339A (fr) 1939-02-08
GB502595A (en) 1939-03-21

Similar Documents

Publication Publication Date Title
FR839227A (en:Method)
JPS3820324B1 (en:Method)
FR813229A (en:Method)
FR817330A (en:Method)
FR822246A (en:Method)
AT151505B (en:Method)
NL51434C (en:Method)
NL53234C (en:Method)
BE426421A (en:Method)
BE426509A (en:Method)
BE426907A (en:Method)
BE427143A (en:Method)
BE427164A (en:Method)
BE427643A (en:Method)
BE429945A (en:Method)
BE429985A (en:Method)
BE430108A (en:Method)
BE430598A (en:Method)
BE431546A (en:Method)
BE433401A (en:Method)
BE504438A (en:Method)
NL48656C (en:Method)
NL49770C (en:Method)
NL50617C (en:Method)
BE426045A (en:Method)