BE427523A - - Google Patents

Info

Publication number
BE427523A
BE427523A BE427523DA BE427523A BE 427523 A BE427523 A BE 427523A BE 427523D A BE427523D A BE 427523DA BE 427523 A BE427523 A BE 427523A
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 BE427523A publication Critical patent/BE427523A/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)
  • Emergency Alarm Devices (AREA)
BE427523D 1938-04-07 BE427523A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49397T 1938-04-07

Publications (1)

Publication Number Publication Date
BE427523A true BE427523A (enrdf_load_stackoverflow)

Family

ID=8684581

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427523D BE427523A (enrdf_load_stackoverflow) 1938-04-07

Country Status (3)

Country Link
BE (1) BE427523A (enrdf_load_stackoverflow)
FR (2) FR831632A (enrdf_load_stackoverflow)
GB (1) GB507697A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR49397E (fr) 1939-03-24
GB507697A (en) 1939-06-20
FR831632A (fr) 1938-09-09

Similar Documents

Publication Publication Date Title
BE427523A (enrdf_load_stackoverflow)
BE131681A (enrdf_load_stackoverflow)
BE414985A (enrdf_load_stackoverflow)
BE420003A (enrdf_load_stackoverflow)
BE420642A (enrdf_load_stackoverflow)
BE422629A (enrdf_load_stackoverflow)
BE423383A (enrdf_load_stackoverflow)
BE423866A (enrdf_load_stackoverflow)
BE425656A (enrdf_load_stackoverflow)
BE425826A (enrdf_load_stackoverflow)
BE425884A (enrdf_load_stackoverflow)
BE425911A (enrdf_load_stackoverflow)
BE426294A (enrdf_load_stackoverflow)
BE426318A (enrdf_load_stackoverflow)
BE426319A (enrdf_load_stackoverflow)
BE426413A (enrdf_load_stackoverflow)
BE426439A (enrdf_load_stackoverflow)
BE426736A (enrdf_load_stackoverflow)
BE426920A (enrdf_load_stackoverflow)
BE426985A (enrdf_load_stackoverflow)
BE427068A (enrdf_load_stackoverflow)
BE427269A (enrdf_load_stackoverflow)
BE427315A (enrdf_load_stackoverflow)
BE427381A (enrdf_load_stackoverflow)
BE427383A (enrdf_load_stackoverflow)