CH57406A - Call facility for telephone systems with several party lines - Google Patents

Call facility for telephone systems with several party lines

Info

Publication number
CH57406A
CH57406A CH57406A CH57406DA CH57406A CH 57406 A CH57406 A CH 57406A CH 57406 A CH57406 A CH 57406A CH 57406D A CH57406D A CH 57406DA CH 57406 A CH57406 A CH 57406A
Authority
CH
Switzerland
Prior art keywords
telephone systems
party lines
call facility
several
several party
Prior art date
Application number
CH57406A
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH57406A publication Critical patent/CH57406A/en

Links

CH57406A 1911-09-25 1911-09-25 Call facility for telephone systems with several party lines CH57406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH57406T 1911-09-25

Publications (1)

Publication Number Publication Date
CH57406A true CH57406A (en) 1913-01-02

Family

ID=4298559

Family Applications (1)

Application Number Title Priority Date Filing Date
CH57406A CH57406A (en) 1911-09-25 1911-09-25 Call facility for telephone systems with several party lines

Country Status (1)

Country Link
CH (1) CH57406A (en)

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