BE480589A - - Google Patents

Info

Publication number
BE480589A
BE480589A BE480589DA BE480589A BE 480589 A BE480589 A BE 480589A BE 480589D A BE480589D A BE 480589DA BE 480589 A BE480589 A BE 480589A
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 BE480589A publication Critical patent/BE480589A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE480589D 1946-01-30 BE480589A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL270407X 1946-01-30

Publications (1)

Publication Number Publication Date
BE480589A true BE480589A (en:Method)

Family

ID=19781905

Family Applications (1)

Application Number Title Priority Date Filing Date
BE480589D BE480589A (en:Method) 1946-01-30

Country Status (5)

Country Link
US (1) US2586838A (en:Method)
BE (1) BE480589A (en:Method)
CH (1) CH270407A (en:Method)
FR (1) FR951247A (en:Method)
NL (1) NL67643C (en:Method)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1123340A (en) * 1913-08-21 1915-01-05 Western Electric Co Telephone-exchange system.
US1617405A (en) * 1923-12-08 1927-02-15 Western Electric Co Testing system for automatic telephone switches

Also Published As

Publication number Publication date
CH270407A (fr) 1950-08-31
US2586838A (en) 1952-02-26
FR951247A (fr) 1949-10-19
NL67643C (en:Method)

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