CH12509A - Telephon-Umschalter zur selbstthätigen Verbindung der Telephone in der Centrale - Google Patents

Telephon-Umschalter zur selbstthätigen Verbindung der Telephone in der Centrale

Info

Publication number
CH12509A
CH12509A CH12509A CH12509DA CH12509A CH 12509 A CH12509 A CH 12509A CH 12509 A CH12509 A CH 12509A CH 12509D A CH12509D A CH 12509DA CH 12509 A CH12509 A CH 12509A
Authority
CH
Switzerland
Prior art keywords
telephones
central station
automatic connection
telephone switch
telephone
Prior art date
Application number
CH12509A
Other languages
English (en)
Inventor
Franz Wossalik
Emil Kredens
Adolf Popper
Original Assignee
Franz Wossalik
Emil Kredens
Adolf Popper
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 by Franz Wossalik, Emil Kredens, Adolf Popper filed Critical Franz Wossalik
Publication of CH12509A publication Critical patent/CH12509A/de

Links

CH12509A 1896-07-11 1896-07-11 Telephon-Umschalter zur selbstthätigen Verbindung der Telephone in der Centrale CH12509A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH12509T 1896-07-11

Publications (1)

Publication Number Publication Date
CH12509A true CH12509A (de) 1897-01-31

Family

ID=4205997

Family Applications (1)

Application Number Title Priority Date Filing Date
CH12509A CH12509A (de) 1896-07-11 1896-07-11 Telephon-Umschalter zur selbstthätigen Verbindung der Telephone in der Centrale

Country Status (1)

Country Link
CH (1) CH12509A (de)

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