GR2348B - IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS. - Google Patents

IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS.

Info

Publication number
GR2348B
GR2348B GR290102348A GR290102348A GR2348B GR 2348 B GR2348 B GR 2348B GR 290102348 A GR290102348 A GR 290102348A GR 290102348 A GR290102348 A GR 290102348A GR 2348 B GR2348 B GR 2348B
Authority
GR
Greece
Prior art keywords
automatic
semi
telephone systems
automatic telephone
systems
Prior art date
Application number
GR290102348A
Other languages
Greek (el)
Original Assignee
Bell Telephone Manufacturing Co
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 Manufacturing Co filed Critical Bell Telephone Manufacturing Co
Priority to GR290102348A priority Critical patent/GR2348B/en
Publication of GR2348B publication Critical patent/GR2348B/en

Links

GR290102348A 1929-05-08 1929-05-08 IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS. GR2348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR290102348A GR2348B (en) 1929-05-08 1929-05-08 IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR290102348A GR2348B (en) 1929-05-08 1929-05-08 IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS.

Publications (1)

Publication Number Publication Date
GR2348B true GR2348B (en) 1929-06-25

Family

ID=36824631

Family Applications (1)

Application Number Title Priority Date Filing Date
GR290102348A GR2348B (en) 1929-05-08 1929-05-08 IMPROVEMENTS IN AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE SYSTEMS.

Country Status (1)

Country Link
GR (1) GR2348B (en)

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